What font does The Library of Congress use?

The Library of Congress’s website uses four typefaces: Open Sans (headings and body text), self-hosted; Roboto Slab, self-hosted; Sharp Grotesk Book, self-hosted; Sharp Grotesk Semi Bold, self-hosted.

What are The Library of Congress’s brand colours?

The main colours on loc.gov are Light Steel Blue (#0076AD), Orange Red (#F05129), Crimson (#D1332E), Forest Green (#218739), Gold (#FACE00) and Deep Sky Blue (#00BDE3).

What colour is The Library of Congress’s text and background?

Body text is #121212 on a #FFFFFF background.

Where is The Library of Congress’s logo from?

The logo shown in this guide was found on loc.gov’s homepage. For official logo files and usage rules, check The Library of Congress’s own brand or press page.

Is this The Library of Congress’s official style guide?

No. SiteStyleGuide made it from loc.gov’s public web pages on 2 November 2026, and isn’t affiliated with The Library of Congress. Members can refresh a guide after 90 days to pick up changes.

Unofficial A style guide made by SiteStyleGuide from loc.gov’s public web pages. Not affiliated with or endorsed by The Library of Congress. The real site is loc.gov ↗

Unofficial style guide

The Library of Congressstyle guide

The Library of Congress’s website (loc.gov) uses Open Sans for its headings and body text. Its palette is led by Light Steel Blue (#0076AD), Orange Red (#F05129) and Crimson (#D1332E), with #121212 text on #FFFFFF. Captured from the live site on 2 November 2026.

Website: loc.gov
Typefaces: Open Sans, Roboto Slab, Sharp Grotesk Book
Palette: 4 neutrals, 12 colours, 3 gradients
Captured: 2 Nov 2026 · added by @sitestyleguide

Save Add to collection Share Report

Screenshot of the loc.gov homepage on a desktop screen — Screenshot of loc.gov on a 1440 px desktop screen, 2 Nov 2026.

Screenshot of the loc.gov homepage on a phone — On a phone, 390 px.

Identity & metadata

What browsers, search engines and social cards show before anyone reaches the page, from the homepage’s <head>.

Title &
description

Page title: Home | Library of Congress; ● 26 / 60 characters
Meta description: The world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S. Copyright Office.; ● 157 / 160 characters
Site name: The Library of Congress
og:title: Home | Library of Congress
og:description: The world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S. Copyright Office.
Language: en

In search results

The Library of Congresshttps://www.loc.gov/

Home | Library of Congress

The world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S. Copyright Office.

When shared

The image The Library of Congress shares with links

loc.gov

Home | Library of Congress

The world's largest library. View historic photos, maps, books and more. Contact experts for help with resear…

Logo & favicons

Found as: SVG in the header. SVG, 363 × 90.

Logo

On white

On black

On Light Steel Blue

Favicons

1 found

64 px · ICO favicon.ico

Home | Library of Congress

Light browser tab

Home | Library of Congress

Dark browser tab

Colour

Read from the site’s stylesheets and weighted by where each colour is used. Names are the nearest standard colour name. Click a swatch to copy its hex code.

Contrast is against the site’s text colour (#121212) and white, using WCAG 2 ratios: 4.5 for body text, 3 for large text.

Colour

Balance

How much each colour is used

White 38.4%
Black 12.1%
Near Black 10.7%
Light Steel Blue 9.6%
Orange Red 6.3%
Grey 4.9%
Crimson 4.3%
Forest Green 4%
Gold 3%
Deep Sky Blue 2.8%
Lemon Chiffon 0.7%
Deep Steel Blue 0.7%
Tomato 0.6%
Dark Green 0.6%
Brown 0.6%
Honey Dew 0.5%

By how often each colour appears in the site’s CSS, weighted by where (body, headings, buttons), not by area on the screen.

Neutrals

Text, backgrounds and structure

White

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 0

On text
18.73:1 AAA

On white
—

Background, text, border · --bs-btn-hover-color, --bs-btn-active-color
Black

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 100

On text
1.12:1 Fail

On white
21.00:1 AAA

Text, background, graphic · --bs-btn-hover-color, --bs-btn-active-color
Near Black

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 93

On text
—

On white
18.73:1 AAA

Text, background, border · body, .form-select
Grey

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 50

On text
4.74:1 AA

On white
3.95:1 AA large

Border, text, background · .form-select, .border-end

Colours

Brand colours and accents, most used first

Light Steel Blue

HEX

RGB

HSL

OKLCH

CMYK
100 32 0 32

On text
3.74:1 AA large

On white
5.01:1 AA

Background, text, border · .page-navigation .nav-link.active, .strategy-framework > div > h3
Orange Red

HEX

RGB

HSL

OKLCH

CMYK
0 66 83 6

On text
5.28:1 AA

On white
3.55:1 AA large

Text, border, graphic · .link-accent, .strategy-framework > div.primary > h2
Crimson

HEX

RGB

HSL

OKLCH

CMYK
0 76 78 18

On text
3.77:1 AA large

On white
4.97:1 AA

Text, background, border · --bs-btn-border-color, --bs-btn-disabled-border-color
Forest Green

HEX

RGB

HSL

OKLCH

CMYK
76 0 58 47

On text
4.09:1 AA large

On white
4.58:1 AA

Background, text, border · --bs-btn-border-color, --bs-btn-disabled-border-color
Gold

HEX

RGB

HSL

OKLCH

CMYK
0 18 100 2

On text
12.39:1 AAA

On white
1.51:1 Fail

Background, text, graphic · --bs-btn-border-color, --bs-btn-disabled-border-color
Deep Sky Blue

HEX

RGB

HSL

OKLCH

CMYK
100 17 0 11

On text
8.38:1 AAA

On white
2.24:1 Fail

Background, text, graphic · --bs-btn-border-color, --bs-btn-disabled-border-color
Lemon Chiffon

HEX

RGB

HSL

OKLCH

CMYK
0 4 20 0

On text
17.08:1 AAA

On white
1.10:1 Fail

Background, border · .footnotes li:target, .bg-warning-subtle
Deep Steel Blue

HEX

RGB

HSL

OKLCH

CMYK
100 32 0 46

On text
2.65:1 Fail

On white
7.08:1 AAA

Text, graphic · --bs-link-hover-color, --bs-btn-hover-border-color
Tomato

HEX

RGB

HSL

OKLCH

CMYK
0 52 65 5

On text
6.63:1 AA

On white
2.82:1 Fail

Text, graphic · .link-accent:hover, --bs-btn-active-bg
Dark Green

HEX

RGB

HSL

OKLCH

CMYK
76 0 57 58

On text
2.88:1 Fail

On white
6.50:1 AA

Text, graphic · --bs-btn-hover-border-color, --bs-btn-active-bg
Brown

HEX

RGB

HSL

OKLCH

CMYK
0 75 78 35

On text
2.66:1 Fail

On white
7.03:1 AAA

Text, graphic · --bs-btn-hover-border-color, --bs-btn-active-bg
Honey Dew

HEX

RGB

HSL

OKLCH

CMYK
9 0 7 9

On text
14.44:1 AAA

On white
1.30:1 Fail

Background · .bg-success-subtle, --bs-success-bg-subtle

Gradients

linear-gradient(#0000, #f6f6f6)
linear-gradient(#ffffff1a, #ffffff0d)
linear-gradient(#ebeff2, #e2e8f0)

Dark mode

Switched on by the site

Aa Light · #121212 on #FFFFFF

Aa Dark · #EFEFEF on #121212 · 16.29:1 AAA

White

#FFFFFF · --bs-emphasis-color
Off White

#EFEFEF · --bs-body-color
Near Black

#242424 · --bs-secondary-bg
Dark Sea Green

#7AB788 · --bs-success-text-emphasis
Light Coral

#E38582 · --bs-danger-text-emphasis
Near Black

#121212 · --bs-body-bg
Deep Sky Blue

#66ADCE · --bs-primary-text-emphasis
Dark Grey

#545454 · --bs-light-border-subtle
Black

#000000
Grey

#989898 · --bs-secondary-text-emphasis
Sky Blue

#66D7EE · --bs-info-text-emphasis
Khaki

#FCE266 · --bs-warning-text-emphasis

Typography

Faces from Google Fonts are shown in the real thing. Others are licensed to the site, so they show in your device’s copy if you have one, or a stand-in if not.

Open Sans

Aa 400 Aa 700

Open Sans

Self-hosted · weights 400, 700 · headings, body · shown in a stand-in if you don’t have it

Aa 400 Aa 700

Roboto Slab

Self-hosted · weights 400, 700 · headings · shown in a stand-in if you don’t have it

Aa 400

Sharp Grotesk Book

Self-hosted · weights 400 · headings · shown in a stand-in if you don’t have it

Aa 400 Aa 700

Sharp Grotesk Semi Bold

Self-hosted · weights 400, 700 · headings · shown in a stand-in if you don’t have it

ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz
0123456789 ! ? & @ % $ – ’ “ ”

Type scale

From the site’s CSS

Heading 1 calc(1.35rem + 1.2vw) / 1.2 weight 700 · Roboto Slab

The Library of Congress

Heading 2 calc(1.275rem + .3vw) / 1.2 weight 700

Home | Library of Congress

Heading 3 1.25rem · 20 px / 1.2 weight 700

Home | Library of Congress

Heading 4 1.125rem · 18 px / 1.2 weight 700

Home | Library of Congress

Heading 5 1rem · 16 px / 1.2 weight 700

Home | Library of Congress

Heading 6 1rem · 16 px / 1.2 weight 700

Home | Library of Congress

Body 1rem · 16 px / 1.5 weight 400 · Open Sans

The world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S.…

Paragraph 1rem · 16 px / 1.5

The world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S.…

Small .875em · 14 px

The world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S.…

Button / weight · none

Get started

Link 1rem · 16 px / weight 700

Sizes in use

Most common across the site

32pxline 0.03125em · 5 rules
24pxline 0.04167em · 3 rules
20pxline inherit · 15 rules
18pxline 1.2 · 6 rules
16pxline 1.5 · 36 rules
14pxline 1.3 · 27 rules
13pxline 1.3 · 4 rules
10pxline .625rem · 4 rules

Elements

The main button and link as the site’s CSS draws them, and the corner radii and shadows it uses most.

Elements

Link

Read our latest news today.

a · #0076AD

Corner radius

.375rem · 15×
50% · 9×
.125rem · 6×
.25rem · 5×
1rem · 5×

Shadows

0 0 0 .25rem #0076ad40
0 0 0 .25rem rgba(33, 135, 57, .25)
0 0 0 .25rem rgba(209, 51, 46, .25)

Layout

Breakpoints from the site’s media queries and the widths its content is held to, with how often each appears.

Grid

Content widths (max-width)

1140 px

960 px

720 px

540 px

450 px

350 px

Notes

Plain checks on what was found. Worth fixing if you look after this site.

Notes

● FineThe title is 26 characters, short enough to show in full in search results.

Questions

Quick answers, from the same capture as the rest of this guide.

Questions

What font does The Library of Congress use?: The Library of Congress’s website uses four typefaces: Open Sans (headings and body text), self-hosted; Roboto Slab, self-hosted; Sharp Grotesk Book, self-hosted; Sharp Grotesk Semi Bold, self-hosted.
What are The Library of Congress’s brand colours?: The main colours on loc.gov are Light Steel Blue (#0076AD), Orange Red (#F05129), Crimson (#D1332E), Forest Green (#218739), Gold (#FACE00) and Deep Sky Blue (#00BDE3).
What colour is The Library of Congress’s text and background?: Body text is #121212 on a #FFFFFF background.
Where is The Library of Congress’s logo from?: The logo shown in this guide was found on loc.gov’s homepage. For official logo files and usage rules, check The Library of Congress’s own brand or press page.
Is this The Library of Congress’s official style guide?: No. SiteStyleGuide made it from loc.gov’s public web pages on 2 November 2026, and isn’t affiliated with The Library of Congress. Members can refresh a guide after 90 days to pick up changes.

Design tokens

Everything above as CSS variables, ready to paste into a project. Members can download the tokens as files for Figma (Tokens Studio), Style Dictionary and Tailwind.

Tokens

loc-gov-tokens.css

Download

Free with an account: sign up or sign in, and you’ll come straight back here.

/* loc.gov design tokens, from SiteStyleGuide (https://sitestyleguide.com/loc.gov) */
:root {
  /* Colours */
  --text: #121212;
  --background: #FFFFFF;
  --colour-white: #FFFFFF;
  --colour-black: #000000;
  --colour-near-black: #121212;
  --colour-grey: #808080;
  --colour-light-steel-blue: #0076AD;
  --colour-orange-red: #F05129;
  --colour-crimson: #D1332E;
  --colour-forest-green: #218739;
  --colour-gold: #FACE00;
  --colour-deep-sky-blue: #00BDE3;
  --colour-lemon-chiffon: #FEF5CC;
  --colour-deep-steel-blue: #005E8A;
  --colour-tomato: #F37454;
  --colour-dark-green: #1A6C2E;
  --colour-brown: #A72925;
  --colour-honey-dew: #D3E7D7;
  --gradient-1: linear-gradient(#0000, #f6f6f6);
  --gradient-2: linear-gradient(#ffffff1a, #ffffff0d);
  --gradient-3: linear-gradient(#ebeff2, #e2e8f0);

  /* Typefaces */
  --font-headings: 'Open Sans', 'Arial', 'Helvetica', sans-serif;
  --font-body: 'Open Sans', 'Arial', 'Helvetica', sans-serif;
  --font-other: 'Sharp Grotesk Light', 'Arial', 'Helvetica', sans-serif;

  /* Type scale */
  --text-h1: calc(1.35rem + 1.2vw);
  --leading-h1: 1.2;
  --text-h2: calc(1.275rem + .3vw);
  --leading-h2: 1.2;
  --text-h3: 1.25rem;
  --leading-h3: 1.2;
  --text-h4: 1.125rem;
  --leading-h4: 1.2;
  --text-h5: 1rem;
  --leading-h5: 1.2;
  --text-h6: 1rem;
  --leading-h6: 1.2;
  --text-body: 1rem;
  --leading-body: 1.5;
  --text-p: 1rem;
  --leading-p: 1.5;
  --text-small: .875em;
  --text-a: 1rem;

  /* Shape */
  --radius-1: .375rem;
  --radius-2: 50%;
  --radius-3: .125rem;
  --radius-4: .25rem;
  --radius-5: 1rem;
}

{
    "site": "loc.gov",
    "source": "https://sitestyleguide.com/loc.gov",
    "text": "#121212",
    "background": "#FFFFFF",
    "colours": [
        {
            "name": "White",
            "hex": "#FFFFFF",
            "rgb": [
                255,
                255,
                255
            ]
        },
        {
            "name": "Black",
            "hex": "#000000",
            "rgb": [
                0,
                0,
                0
            ]
        },
        {
            "name": "Near Black",
            "hex": "#121212",
            "rgb": [
                18,
                18,
                18
            ]
        },
        {
            "name": "Grey",
            "hex": "#808080",
            "rgb": [
                128,
                128,
                128
            ]
        },
        {
            "name": "Light Steel Blue",
            "hex": "#0076AD",
            "rgb": [
                0,
                118,
                173
            ]
        },
        {
            "name": "Orange Red",
            "hex": "#F05129",
            "rgb": [
                240,
                81,
                41
            ]
        },
        {
            "name": "Crimson",
            "hex": "#D1332E",
            "rgb": [
                209,
                51,
                46
            ]
        },
        {
            "name": "Forest Green",
            "hex": "#218739",
            "rgb": [
                33,
                135,
                57
            ]
        },
        {
            "name": "Gold",
            "hex": "#FACE00",
            "rgb": [
                250,
                206,
                0
            ]
        },
        {
            "name": "Deep Sky Blue",
            "hex": "#00BDE3",
            "rgb": [
                0,
                189,
                227
            ]
        },
        {
            "name": "Lemon Chiffon",
            "hex": "#FEF5CC",
            "rgb": [
                254,
                245,
                204
            ]
        },
        {
            "name": "Deep Steel Blue",
            "hex": "#005E8A",
            "rgb": [
                0,
                94,
                138
            ]
        },
        {
            "name": "Tomato",
            "hex": "#F37454",
            "rgb": [
                243,
                116,
                84
            ]
        },
        {
            "name": "Dark Green",
            "hex": "#1A6C2E",
            "rgb": [
                26,
                108,
                46
            ]
        },
        {
            "name": "Brown",
            "hex": "#A72925",
            "rgb": [
                167,
                41,
                37
            ]
        },
        {
            "name": "Honey Dew",
            "hex": "#D3E7D7",
            "rgb": [
                211,
                231,
                215
            ]
        }
    ],
    "fonts": [
        {
            "name": "Open Sans",
            "stack": "\"Open Sans\", Arial, Helvetica, sans-serif",
            "weights": [
                400,
                700
            ],
            "source": "Self-hosted"
        },
        {
            "name": "Roboto Slab",
            "stack": "Roboto Slab, Arial, Helvetica, sans-serif",
            "weights": [
                400,
                700
            ],
            "source": "Self-hosted"
        },
        {
            "name": "Sharp Grotesk Book",
            "stack": "Sharp Grotesk Book, Arial, Helvetica, sans-serif",
            "weights": [
                400
            ],
            "source": "Self-hosted"
        },
        {
            "name": "Sharp Grotesk Semi Bold",
            "stack": "Sharp Grotesk Semi Bold, Arial, Helvetica, sans-serif",
            "weights": [
                400,
                700
            ],
            "source": "Self-hosted"
        },
        {
            "name": "Sharp Grotesk Bold",
            "stack": "Sharp Grotesk Bold, Arial, Helvetica, sans-serif",
            "weights": [
                400
            ],
            "source": "Self-hosted"
        },
        {
            "name": "Sharp Grotesk Light",
            "stack": "Sharp Grotesk Light, Arial, Helvetica, sans-serif",
            "weights": [
                400
            ],
            "source": "Self-hosted"
        }
    ]
}

Other websites using Open Sans as their main typeface

Savvy Savers

savvysavers.com.au · set in Open Sans
Save1
Canva

canva.com · set in Open Sans
Save1
Chase.com

chase.com · set in Open Sans
Save
Interia

interia.pl · set in Open Sans
Save

Websites whose lead colour is closest to The Library of Congress’s

about.me

about.me · 5 days ago
Save
The New Yorker

newyorker.com · 18 hours ago
Save
cnnic.cn

cnnic.cn · 1 day ago
Save
Discovery

discovery.com · 1 day ago
Save

Captured from loc.gov on 2 November 2026. SiteStyleGuide isn’t affiliated with or endorsed by The Library of Congress; this guide describes the public website for reference.

The Library of Congressstyle guide

Title &description

Logo

Favicons

Colour

Balance

Neutrals

White

Black

Near Black

Grey

Colours

Light Steel Blue

Orange Red

Crimson

Forest Green

Gold

Deep Sky Blue

Lemon Chiffon

Deep Steel Blue

Tomato

Dark Green

Brown

Honey Dew

Gradients

Dark mode

Open Sans

Type scale

Sizes in use

Elements

Grid

Notes

Questions

Tokens

Share

Run loc.gov?

Also set in Open Sans

Savvy Savers

Canva

Chase.com

Interia

Similar colours

about.me

The New Yorker

cnnic.cn

Discovery

Title &
description