What font does costco.com use?

costco.com’s website uses one typeface: Costco Sans Web (headings and body text), served from bfasset.costco-static.com.

What are costco.com’s brand colours?

The main colours on costco.com are Royal Blue (#005DAB), Midnight Blue (#021C39), Salmon (#FF8980), Fire Brick (#C13533), Light Steel Blue (#A5C8FF) and Dark Slate Blue (#004C8A).

What colour is costco.com’s text and background?

Body text is #333333 on a #FFFFFF background.

Where is costco.com’s logo from?

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

Is this costco.com’s official style guide?

No. SiteStyleGuide made it from costco.com’s public web pages on 27 October 2026, and isn’t affiliated with costco.com. Members can refresh a guide after 90 days to pick up changes.

Unofficial A style guide made by SiteStyleGuide from costco.com’s public web pages. Not affiliated with or endorsed by costco.com. The real site is costco.com ↗

Unofficial style guide

costco.comstyle guide

costco.com’s website (costco.com) uses Costco Sans Web for its headings and body text. Its palette is led by Royal Blue (#005DAB), Midnight Blue (#021C39) and Salmon (#FF8980), with #333333 text on #FFFFFF. Captured from the live site on 27 October 2026.

Website: costco.com
Typefaces: Costco Sans Web
Palette: 4 neutrals, 12 colours, 2 gradients
Captured: 27 Oct 2026 · added by @sitestyleguide

Save Add to collection Share Report

Screenshot of the costco.com homepage on a desktop screen — Screenshot of costco.com on a 1440 px desktop screen, 27 Oct 2026.

Screenshot of the costco.com 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: Welcome to Costco Wholesale; ● 27 / 60 characters
Meta description: Shop Costco.com for electronics, computers, furniture, outdoor living, appliances, jewelry and more. Enjoy low warehouse prices on name-brands products delivered to your door; ▲ 174 / 160 characters
Language: en-us

In search results

costco.comhttps://www.costco.com/

Welcome to Costco Wholesale

Shop Costco.com for electronics, computers, furniture, outdoor living, appliances, jewelry and more. Enjoy low warehouse prices on name-brands products delivered…

When shared

No og:image, so no picture

costco.com

Welcome to Costco Wholesale

Shop Costco.com for electronics, computers, furniture, outdoor living, appliances, jewelry and more. Enjoy lo…

Logo & favicons

Found as: image in the header. PNG, 2072 × 610.

Logo

On white

On black

On Royal Blue

Favicons

2 found

30 px · SVG favicon.ico
16 px · ICO icon

Welcome to Costco Wholesale

Light browser tab

Welcome to Costco Wholesale

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 (#333333) and white, using WCAG 2 ratios: 4.5 for body text, 3 for large text.

Colour

Balance

How much each colour is used

White 30.6%
Royal Blue 18.9%
Light Grey 12.5%
Charcoal 10.8%
Dark Grey 5%
Midnight Blue 5%
Salmon 4.1%
Fire Brick 3.8%
Light Steel Blue 2.5%
Dark Slate Blue 1.8%
Green 1.1%
Deep Steel Blue 1.1%
Steel Blue 0.8%
Deep Chocolate 0.7%
Slate Grey 0.7%
Light Chocolate 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
12.63:1 AAA

On white
—

Text, background, border · body, .mui-131eg5q
Light Grey

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 20

On text
7.87:1 AAA

On white
1.61:1 Fail

Text, background, border · *:where([data-mui-color-scheme="midnight-blue"]) .mui-1fvaizb .MuiInputAdornment, *:where([data-mui-color-scheme="midnight-blue"]) .mui-1rzjkjb .MuiInputAdornment
Charcoal

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 80

On text
—

On white
12.63:1 AAA

Text, background, border · .mui-1upc632 h1, .mui-1bx1pg2 h1
Dark Grey

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 63

On text
1.98:1 Fail

On white
6.39:1 AA

Text · .mui-6xljbq li button, .mui-wdz2hg li button

Colours

Brand colours and accents, most used first

Royal Blue

HEX

RGB

HSL

OKLCH

CMYK
100 46 0 33

On text
1.90:1 Fail

On white
6.66:1 AA

Text, background, border · .mui-131eg5q, .mui-9mlokf
Midnight Blue

HEX

RGB

HSL

OKLCH

CMYK
96 51 0 78

On text
1.35:1 Fail

On white
17.10:1 AAA

Background · *:where([data-mui-color-scheme="midnight-blue"]) .mui-1fvaizb label.MuiFormLabel, *:where([data-mui-color-scheme="midnight-blue"]) .mui-1fvaizb label.Mui-focused
Salmon

HEX

RGB

HSL

OKLCH

CMYK
0 46 50 0

On text
5.50:1 AA

On white
2.30:1 Fail

Text, border · *:where([data-mui-color-scheme="midnight-blue"]) .mui-1fvaizb label.Mui-error, *:where([data-mui-color-scheme="midnight-blue"]) .mui-1fvaizb .MuiOutlinedInput-
Fire Brick

HEX

RGB

HSL

OKLCH

CMYK
0 73 74 24

On text
2.30:1 Fail

On white
5.49:1 AA

Text, border · --mui-palette-red-500, .mui-1fvaizb label.Mui-error
Light Steel Blue

HEX

RGB

HSL

OKLCH

CMYK
35 22 0 0

On text
7.40:1 AAA

On white
1.71:1 Fail

Text, border · *:where([data-mui-color-scheme="midnight-blue"]) .mui-1fvaizb label.Mui-focused, *:where([data-mui-color-scheme="midnight-blue"]) .mui-1rzjkjb label.Mui-focused
Dark Slate Blue

HEX

RGB

HSL

OKLCH

CMYK
100 45 0 46

On text
1.44:1 Fail

On white
8.75:1 AAA

Background · --mui-palette-blue-700, .mui-zu1wg8:hover
Green

HEX

RGB

HSL

OKLCH

CMYK
100 0 100 50

On text
2.46:1 Fail

On white
5.14:1 AA

Used · --mui-palette-green-500, --mui-palette-text-success
Deep Steel Blue

HEX

RGB

HSL

OKLCH

CMYK
29 13 0 13

On text
6.71:1 AA

On white
1.88:1 Fail

Used · --mui-palette-LinearProgress-primaryBg, --mui-palette-LinearProgress-secondaryBg
Steel Blue

HEX

RGB

HSL

OKLCH

CMYK
99 35 0 18

On text
3.28:1 AA large

On white
3.86:1 AA large

Used · --mui-palette-Alert-infoFilledBg, --mui-palette-info-main
Deep Chocolate

HEX

RGB

HSL

OKLCH

CMYK
0 62 100 21

On text
2.75:1 Fail

On white
4.59:1 AA

Used · --mui-palette-orange, --mui-palette-text-caution
Slate Grey

HEX

RGB

HSL

OKLCH

CMYK
35 21 0 50

On text
2.10:1 Fail

On white
6.02:1 AA

Used · --mui-palette-LinearProgress-primaryBg, --mui-palette-LinearProgress-secondaryBg
Light Chocolate

HEX

RGB

HSL

OKLCH

CMYK
0 54 99 7

On text
4.06:1 AA large

On white
3.11:1 AA large

Used · --mui-palette-warning-main, --mui-palette-Alert-warningFilledBg

Gradients

linear-gradient( 90deg, transparent, rgba(0, 0, 0, 0.1), transparent )
linear-gradient( 90deg, transparent, rgba(0, 0, 0, 0.04), transparent )

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.

Costco Sans Web

Aa 100 Aa 900

Costco Sans Web

Served from bfasset.costco-static.com · weights 100, 400, 700, 900 · body · shown in a stand-in if you don’t have it

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

Type scale

From the site’s CSS

Body — Costco Sans Web

Shop Costco.com for electronics, computers, furniture, outdoor living, appliances, jewelry and more. Enjoy low warehouse prices on name-bra…

Button 1rem · 16 px / 1.5

Get started

Sizes in use

Most common across the site

73px1 rules
24pxline 1.3 · 2 rules
18pxline 1.3 · 3 rules
16pxline 1.5 · 37 rules
14pxline 1 · 26 rules
12pxline 1.5 · 3 rules

Elements

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

Elements

Corner radius

3px · 29×
4px · 23×
10px · 7×
6px · 4×
100px · 3×
10px 10px 0 0 · 3×

Shadows

5px 5px 16px rgba(0, 0, 0, 0.5)
0px 0px 4px 0px #005dab
0px 5px 10px rgba(0, 0, 0, 0.2)
0px 0px 4px 0px #00000040

Layout

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

Grid

Breakpoints

375

568

768

1024

On a scale of 0 to 1440 px.

Content widths (max-width)

1440 px

1400 px

Notes

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

Notes

● FineThe title is 27 characters, short enough to show in full in search results.
▲ CheckThe description is 174 characters. Search results usually show about 160.
▲ CheckThere is no og:image, so links shared on social media show no picture.

Questions

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

Questions

What font does costco.com use?: costco.com’s website uses one typeface: Costco Sans Web (headings and body text), served from bfasset.costco-static.com.
What are costco.com’s brand colours?: The main colours on costco.com are Royal Blue (#005DAB), Midnight Blue (#021C39), Salmon (#FF8980), Fire Brick (#C13533), Light Steel Blue (#A5C8FF) and Dark Slate Blue (#004C8A).
What colour is costco.com’s text and background?: Body text is #333333 on a #FFFFFF background.
Where is costco.com’s logo from?: The logo shown in this guide was found on costco.com’s homepage. For official logo files and usage rules, check costco.com’s own brand or press page.
Is this costco.com’s official style guide?: No. SiteStyleGuide made it from costco.com’s public web pages on 27 October 2026, and isn’t affiliated with costco.com. 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

costco-com-tokens.css

Download

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

/* costco.com design tokens, from SiteStyleGuide (https://sitestyleguide.com/costco.com) */
:root {
  /* Colours */
  --text: #333333;
  --background: #FFFFFF;
  --colour-white: #FFFFFF;
  --colour-light-grey: #CCCCCC;
  --colour-charcoal: #333333;
  --colour-dark-grey: #5F5F5F;
  --colour-royal-blue: #005DAB;
  --colour-midnight-blue: #021C39;
  --colour-salmon: #FF8980;
  --colour-fire-brick: #C13533;
  --colour-light-steel-blue: #A5C8FF;
  --colour-dark-slate-blue: #004C8A;
  --colour-green: #008000;
  --colour-deep-steel-blue: #9EC1DF;
  --colour-steel-blue: #0288D1;
  --colour-deep-chocolate: #CA4D00;
  --colour-slate-grey: #52647F;
  --colour-light-chocolate: #ED6C02;
  --gradient-1: linear-gradient( 90deg, transparent, rgba(0, 0, 0, 0.1), transparent );
  --gradient-2: linear-gradient( 90deg, transparent, rgba(0, 0, 0, 0.04), transparent );

  /* Typefaces */
  --font-body: 'Costco Sans Web', -apple-system, blinkmacsystemfont, 'Segoe UI', 'Roboto', sans-serif;

  /* Type scale */
  --text-button: 1rem;
  --leading-button: 1.5;

  /* Shape */
  --radius-1: 3px;
  --radius-2: 4px;
  --radius-3: 10px;
  --radius-4: 6px;
  --radius-5: 100px;
  --radius-6: 10px 10px 0 0;

  /* Layout (breakpoints can’t be used in media queries as variables; they’re here for reference) */
  --breakpoint-1: 375px;
  --breakpoint-2: 568px;
  --breakpoint-3: 768px;
  --breakpoint-4: 1024px;
  --max-width-1: 1440px;
  --max-width-2: 1400px;
}

{
    "site": "costco.com",
    "source": "https://sitestyleguide.com/costco.com",
    "text": "#333333",
    "background": "#FFFFFF",
    "colours": [
        {
            "name": "White",
            "hex": "#FFFFFF",
            "rgb": [
                255,
                255,
                255
            ]
        },
        {
            "name": "Light Grey",
            "hex": "#CCCCCC",
            "rgb": [
                204,
                204,
                204
            ]
        },
        {
            "name": "Charcoal",
            "hex": "#333333",
            "rgb": [
                51,
                51,
                51
            ]
        },
        {
            "name": "Dark Grey",
            "hex": "#5F5F5F",
            "rgb": [
                95,
                95,
                95
            ]
        },
        {
            "name": "Royal Blue",
            "hex": "#005DAB",
            "rgb": [
                0,
                93,
                171
            ]
        },
        {
            "name": "Midnight Blue",
            "hex": "#021C39",
            "rgb": [
                2,
                28,
                57
            ]
        },
        {
            "name": "Salmon",
            "hex": "#FF8980",
            "rgb": [
                255,
                137,
                128
            ]
        },
        {
            "name": "Fire Brick",
            "hex": "#C13533",
            "rgb": [
                193,
                53,
                51
            ]
        },
        {
            "name": "Light Steel Blue",
            "hex": "#A5C8FF",
            "rgb": [
                165,
                200,
                255
            ]
        },
        {
            "name": "Dark Slate Blue",
            "hex": "#004C8A",
            "rgb": [
                0,
                76,
                138
            ]
        },
        {
            "name": "Green",
            "hex": "#008000",
            "rgb": [
                0,
                128,
                0
            ]
        },
        {
            "name": "Deep Steel Blue",
            "hex": "#9EC1DF",
            "rgb": [
                158,
                193,
                223
            ]
        },
        {
            "name": "Steel Blue",
            "hex": "#0288D1",
            "rgb": [
                2,
                136,
                209
            ]
        },
        {
            "name": "Deep Chocolate",
            "hex": "#CA4D00",
            "rgb": [
                202,
                77,
                0
            ]
        },
        {
            "name": "Slate Grey",
            "hex": "#52647F",
            "rgb": [
                82,
                100,
                127
            ]
        },
        {
            "name": "Light Chocolate",
            "hex": "#ED6C02",
            "rgb": [
                237,
                108,
                2
            ]
        }
    ],
    "fonts": [
        {
            "name": "Costco Sans Web",
            "stack": "Costco Sans Web, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, sans-serif",
            "weights": [
                100,
                400,
                700,
                900
            ],
            "source": "Served from bfasset.costco-static.com"
        }
    ]
}

Websites whose lead colour is closest to costco.com’s

CDC

cdc.gov · 6 days ago
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Go

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US EPA

epa.gov · 8 hours ago
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DOL

dol.gov · 5 days ago
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Captured from costco.com on 27 October 2026. SiteStyleGuide isn’t affiliated with or endorsed by costco.com; this guide describes the public website for reference.

costco.comstyle guide

Title &description

Logo

Favicons

Colour

Balance

Neutrals

White

Light Grey

Charcoal

Dark Grey

Colours

Royal Blue

Midnight Blue

Salmon

Fire Brick

Light Steel Blue

Dark Slate Blue

Green

Deep Steel Blue

Steel Blue

Deep Chocolate

Slate Grey

Light Chocolate

Gradients

Costco Sans Web

Type scale

Sizes in use

Elements

Grid

Notes

Questions

Tokens

Share

Run costco.com?

Similar colours

CDC

Go

US EPA

DOL

Title &
description