What font does Nature use?

Nature’s website uses two typefaces: Segoe UI (headings and body text), a system font; Harding, self-hosted.

What are Nature’s brand colours?

The main colours on nature.com are Steel Blue (#006699), Midnight Blue (#01324B), Dark Slate Blue (#004B83), White (#FFFFFF), Off White (#EEEEEE) and Light Grey (#D4D4D4).

What colour is Nature’s text and background?

Body text is #222222 on a #FFFFFF background.

Where is Nature’s logo from?

The logo shown in this guide was found on nature.com’s homepage. For official logo files and usage rules, check Nature’s own brand or press page.

Is this Nature’s official style guide?

No. SiteStyleGuide made it from nature.com’s public web pages on 26 October 2026, and isn’t affiliated with Nature. Members can refresh a guide after 90 days to pick up changes.

Nature Style Guide: Colours, Fonts & Logo

Identity & metadata

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

Title &
description

Page title: Nature; ● 6 / 60 characters
Meta description: First published in 1869, Nature is the world’s leading multidisciplinary science journal. Nature publishes the finest peer-reviewed research that drives ground-breaking discovery, and is read by thought-leaders and decision-makers around the world.; ▲ 248 / 160 characters
Site name: Nature
og:title: Nature
og:description: Nature is the foremost international weekly scientific journal in the world and is the flagship journal for Nature Portfolio. It publishes the finest ...
Language: en
Theme colour: #000000

In search results

Naturehttps://www.nature.com/?error=cookies_not_supported&code=86f68140-fa49-4046-a82d-7e45e8677219

Nature

First published in 1869, Nature is the world’s leading multidisciplinary science journal. Nature publishes the finest peer-reviewed research that drives ground-b…

When shared

nature.com

Nature

Nature is the foremost international weekly scientific journal in the world and is the flagship journal for N…

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Logo & favicons

Found as: image linked to the homepage. SVG.

Logo

On white

On black

On Steel Blue

Favicons

8 found

542 px · SVG mask-icon
512 px · PNG manifest
192 px · PNG manifest
180 px · PNG apple-touch-icon
48 px · PNG icon
48 px · ICO shortcut icon
32 px · PNG icon
16 px · PNG icon

Nature

Light browser tab

Nature

Dark browser tab

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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 (#222222) and white, using WCAG 2 ratios: 4.5 for body text, 3 for large text.

Colour

Balance

How much each colour is used

White 37.5%
Steel Blue 17.5%
Off White 16.6%
Light Grey 13%
Black 10.4%
Midnight Blue 2.8%
Dark Slate Blue 2.1%

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
15.91:1 AAA

On white
—

Text, background, border · body, .c-site-messages.c-site-messages--nature-briefing-redesign-2020 .nature-briefing
Off White

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 7

On text
13.71:1 AAA

On white
1.16:1 Fail

Background, border, text · body, .app-primeview
Light Grey

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 17

On text
10.73:1 AAA

On white
1.48:1 Fail

Border, background, text · .c-header__heading--keyline, .c-facet__button--disabled
Black

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 100

On text
1.32:1 Fail

On white
21.00:1 AAA

Text, background, border · .c-section-heading, theme-color meta tag

Colours

Brand colours and accents, most used first

Steel Blue

HEX

RGB

HSL

OKLCH

CMYK
100 33 0 40

On text
2.55:1 Fail

On white
6.25:1 AA

Text, background, border · a, .c-facet__submit
Midnight Blue

HEX

RGB

HSL

OKLCH

CMYK
99 33 0 71

On text
1.18:1 Fail

On white
13.47:1 AAA

Background, text · inline style on <path>, .c-footer
Dark Slate Blue

HEX

RGB

HSL

OKLCH

CMYK
100 43 0 49

On text
1.77:1 Fail

On white
9.00:1 AAA

Background, text, graphic · .c-pill, .c-banner--marketing

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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.

Segoe UI

Aa 400 Aa 700

Segoe UI

System font, or not loaded on this page · weights 400, 700 · headings, body, buttons · shown in a stand-in if you don’t have it

Aa 400 Aa 700

Harding

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 min(max(1.5rem,4vw),2rem) · 32 px / min(max(1.6rem,4vw),2.25rem) weight 700 · Harding

Nature

Heading 2 min(max(1.25rem,3.5vw),1.5rem) · 24 px / min(max(1.4rem,3.5vw),1.6rem) weight 700 · Harding

Nature

Heading 3 min(max(1.125rem,3vw),1.25rem) · 20 px / 1.4rem weight 700 · Harding

Nature

Heading 4 min(max(1rem,2.5vw),1.125rem) · 18 px / 1.4rem weight 700 · Segoe UI

Nature

Heading 5 min(max(1rem,2.5vw),1.125rem) · 18 px / 1.4rem weight 700 · Segoe UI

Nature

Heading 6 min(max(1rem,2.5vw),1.125rem) · 18 px / 1.4rem weight 700 · Segoe UI

Nature

Body 1.125rem · 18 px / 1.76 Segoe UI

First published in 1869, Nature is the world’s leading multidisciplinary science journal. Nature publishes the finest peer-reviewed researc…

Small 80%

First published in 1869, Nature is the world’s leading multidisciplinary science journal. Nature publishes the finest peer-reviewed researc…

Button 100% / 1.15 none

Get started

Link .875rem · 14 px weight 700

Sizes in use

Most common across the site

32pxline min(max(1.6rem,4vw),2.25rem) · 2 rules
24pxline min(max(1.4rem,3.5vw),1.6rem) · 1 rules
20pxline 1.4 · 6 rules
18pxline 1.76 · 3 rules
16pxline 1.3 · 24 rules
15pxline 1.5rem · 2 rules
14pxline 1.4 · 36 rules
13px2 rules

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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 · #025E8D

Corner radius

2px · 11×
3px · 4×
20px · 1×
0 0 2px 2px · 1×
unset · 1×
12.5px · 1×

Shadows

0 1px 0 1px rgba(0,0,0,.04)
0 0 10px 0 rgba(51,51,51,.2)
0 0 5px 0 rgba(128,128,128,.5)
0 0 5px 0 rgba(128,128,128,.1)

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Layout

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

Grid

Breakpoints

320

539

540

767

768

960

1023

1024

On a scale of 0 to 1440 px.

Content widths (max-width)

1280 px

1000 px

970 px

750 px

720 px

300 px

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Notes

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

Notes

● FineThe title is 6 characters, short enough to show in full in search results.
▲ CheckThe description is 248 characters. Search results usually show about 160.

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Questions

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

Questions

What font does Nature use?: Nature’s website uses two typefaces: Segoe UI (headings and body text), a system font; Harding, self-hosted.
What are Nature’s brand colours?: The main colours on nature.com are Steel Blue (#006699), Midnight Blue (#01324B), Dark Slate Blue (#004B83), White (#FFFFFF), Off White (#EEEEEE) and Light Grey (#D4D4D4).
What colour is Nature’s text and background?: Body text is #222222 on a #FFFFFF background.
Where is Nature’s logo from?: The logo shown in this guide was found on nature.com’s homepage. For official logo files and usage rules, check Nature’s own brand or press page.
Is this Nature’s official style guide?: No. SiteStyleGuide made it from nature.com’s public web pages on 26 October 2026, and isn’t affiliated with Nature. Members can refresh a guide after 90 days to pick up changes.

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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

nature-com-tokens.css

Download

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

/* nature.com design tokens, from SiteStyleGuide (https://sitestyleguide.com/nature.com) */
:root {
  /* Colours */
  --text: #222222;
  --background: #FFFFFF;
  --colour-white: #FFFFFF;
  --colour-off-white: #EEEEEE;
  --colour-light-grey: #D4D4D4;
  --colour-black: #000000;
  --colour-steel-blue: #006699;
  --colour-midnight-blue: #01324B;
  --colour-dark-slate-blue: #004B83;

  /* Typefaces */
  --font-headings: -apple-system, blinkmacsystemfont, 'Segoe UI', 'Roboto', 'Oxygen-Sans', 'Ubuntu';
  --font-body: -apple-system, blinkmacsystemfont, 'Segoe UI', 'Roboto', 'Oxygen-Sans', 'Ubuntu';
  --font-buttons: -apple-system, blinkmacsystemfont, 'Segoe UI', 'Roboto', 'Oxygen-Sans', 'Ubuntu';

  /* Type scale */
  --text-h1: min(max(1.5rem,4vw),2rem);
  --leading-h1: min(max(1.6rem,4vw),2.25rem);
  --text-h2: min(max(1.25rem,3.5vw),1.5rem);
  --leading-h2: min(max(1.4rem,3.5vw),1.6rem);
  --text-h3: min(max(1.125rem,3vw),1.25rem);
  --leading-h3: 1.4rem;
  --text-h4: min(max(1rem,2.5vw),1.125rem);
  --leading-h4: 1.4rem;
  --text-h5: min(max(1rem,2.5vw),1.125rem);
  --leading-h5: 1.4rem;
  --text-h6: min(max(1rem,2.5vw),1.125rem);
  --leading-h6: 1.4rem;
  --text-body: 1.125rem;
  --leading-body: 1.76;
  --text-small: 80%;
  --text-button: 100%;
  --leading-button: 1.15;
  --text-a: .875rem;

  /* Shape */
  --radius-1: 2px;
  --radius-2: 3px;
  --radius-3: 20px;
  --radius-4: 0 0 2px 2px;
  --radius-5: unset;
  --radius-6: 12.5px;

  /* Layout (breakpoints can’t be used in media queries as variables; they’re here for reference) */
  --breakpoint-1: 320px;
  --breakpoint-2: 539px;
  --breakpoint-3: 540px;
  --breakpoint-4: 767px;
  --breakpoint-5: 768px;
  --breakpoint-6: 960px;
  --breakpoint-7: 1023px;
  --breakpoint-8: 1024px;
  --max-width-1: 1280px;
  --max-width-2: 1000px;
  --max-width-3: 970px;
  --max-width-4: 750px;
  --max-width-5: 720px;
  --max-width-6: 300px;
}

{
    "site": "nature.com",
    "source": "https://sitestyleguide.com/nature.com",
    "text": "#222222",
    "background": "#FFFFFF",
    "colours": [
        {
            "name": "White",
            "hex": "#FFFFFF",
            "rgb": [
                255,
                255,
                255
            ]
        },
        {
            "name": "Off White",
            "hex": "#EEEEEE",
            "rgb": [
                238,
                238,
                238
            ]
        },
        {
            "name": "Light Grey",
            "hex": "#D4D4D4",
            "rgb": [
                212,
                212,
                212
            ]
        },
        {
            "name": "Black",
            "hex": "#000000",
            "rgb": [
                0,
                0,
                0
            ]
        },
        {
            "name": "Steel Blue",
            "hex": "#006699",
            "rgb": [
                0,
                102,
                153
            ]
        },
        {
            "name": "Midnight Blue",
            "hex": "#01324B",
            "rgb": [
                1,
                50,
                75
            ]
        },
        {
            "name": "Dark Slate Blue",
            "hex": "#004B83",
            "rgb": [
                0,
                75,
                131
            ]
        }
    ],
    "fonts": [
        {
            "name": "Segoe UI",
            "stack": "-apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen-Sans, Ubuntu, Cantarell, \"Helvetica Neue\", sans-serif",
            "weights": [
                400,
                700
            ],
            "source": "System font, or not loaded on this page"
        },
        {
            "name": "Harding",
            "stack": "Harding, Palatino, serif",
            "weights": [
                400,
                700
            ],
            "source": "Self-hosted"
        }
    ]
}

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Share

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Share

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Run nature.com?

Add the badge to your site

Link to this guide from your own site, so your team, designers and agencies can find your colours and fonts in one place.

<a href="https://sitestyleguide.com/nature.com" title="Nature style guide on SiteStyleGuide"><img src="https://sitestyleguide.com/public/badge.svg" alt="View our style guide on SiteStyleGuide" width="200" height="44"></a>

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Naturestyle guide

Title &
description

Logo

Favicons

Colour

Balance

Neutrals

White

Off White

Light Grey

Black

Colours

Steel Blue

Midnight Blue

Dark Slate Blue

Segoe UI

Type scale

Sizes in use

Elements

Grid

Notes

Questions

Tokens

SORT

CodeCanyon

xbox.com

orbitz

ProBlogger

VMware by Broadcom

calculator.net

US EPA

Naturestyle guide

Title &description

Logo

Favicons

Colour

Balance

Neutrals

White

Off White

Light Grey

Black

Colours

Steel Blue

Midnight Blue

Dark Slate Blue

Segoe UI

Type scale

Sizes in use

Elements

Grid

Notes

Questions

Tokens

Share

Run nature.com?

Also set in Segoe UI

SORT

CodeCanyon

xbox.com

orbitz

Similar colours

ProBlogger

VMware by Broadcom

calculator.net

US EPA

Title &
description