SiteStyleGuide

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

Mattermost logo

Unofficial style guide

Mattermoststyle guide

Mattermost’s website (mattermost.com) uses trade-gothic-next for its headings and body text. Its palette is led by Deep Royal Blue (#1C58D9), Cornflower Blue (#608AE4) and Deep Slate Blue (#263677), with #1B1D22 text on #FFFFFF. Captured from the live site on 27 October 2026.

Website
mattermost.com
Typefaces
trade-gothic-next, Trade Gothic Next LT Pro, JetBrains Mono
Palette
4 neutrals, 12 colours, 3 gradients
Captured
27 Oct 2026 · added by @sitestyleguide
Save Add to collection Share Report
https://mattermost.com/ Screenshot
Screenshot of the mattermost.com homepage on a desktop screen
Screenshot of mattermost.com on a 1440 px desktop screen, 27 Oct 2026.

Identity & metadata

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

Title &
description

Page title
Mattermost | Operational and AI Sovereignty for Critical Infrastructure and National Security
▲ 93 / 60 characters
Meta description
Zero-trust collaboration, automation and AI in private cloud, self-hosted, and air-gapped environments. Built for national security, critical infrastructure, and regulated enterprises.
▲ 184 / 160 characters
Site name
Mattermost
og:title
Mattermost | Operational and AI Sovereignty for Critical Infrastructure and National Security
og:description
Zero-trust collaboration, automation and AI in private cloud, self-hosted, and air-gapped environments. Built for national security, critical infrastructure, and regulated enterprises.
Language
en

In search results

Mattermosthttps://mattermost.com/

Mattermost | Operational and AI Sovereignty for Critical Infr…

Zero-trust collaboration, automation and AI in private cloud, self-hosted, and air-gapped environments. Built for national security, critical infrastructure, and…

When shared

The image Mattermost shares with links

mattermost.com

Mattermost | Operational and AI Sovereignty for Critical Infrastructure and National Secu…

Zero-trust collaboration, automation and AI in private cloud, self-hosted, and air-gapped environments. Built…

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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 (#1B1D22) and white, using WCAG 2 ratios: 4.5 for body text, 3 for large text.

Colour

Balance

How much each colour is used
  • White 36.2%
  • Deep Royal Blue 15.4%
  • Light Cool Near Black 9.1%
  • Deep Cool Near Black 8.4%
  • Cornflower Blue 7.7%
  • Deep Slate Blue 6%
  • Light Grey 3.8%
  • Light Midnight Blue 3.3%
  • Light Steel Blue 2.2%
  • Black 2%
  • Golden Rod 1.8%
  • Light Slate Blue 1.5%
  • Lavender 1.2%
  • Gold 0.5%
  • Deep Midnight Blue 0.5%
  • Light Royal Blue 0.3%

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
    16.86:1 AAA
    On white
    —

    Text, background, border · html[data-theme=light]:not(:has(.customer-story-detail,.customer-story-hero,.cus, .hero-discover.layout-blog.is-category-view .hero-discover-filters--category .he

  • Light Cool Near Black

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    21 15 0 87
    On text
    —
    On white
    16.86:1 AAA

    Text, background, border · html[data-theme=light]:not(:has(.customer-story-detail,.customer-story-hero,.cus, .custom-section.press-kit-grid>.outer-content[data-theme=light] .press-kit-card-

  • Deep Cool Near Black

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    50 46 0 90
    On text
    1.14:1 Fail
    On white
    19.18:1 AAA

    Background, text · .hero-anchor-nav-tab, .hero-mattermost-bg-fade

  • Light Grey

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 0 0 21
    On text
    10.19:1 AAA
    On white
    1.65:1 Fail

    Text, background, border · .feature-split-list.feature-split-list--heading-center .eyebrow .simple-text-con, .feature-split-list .fsl-accordion-title

Colours

Brand colours and accents, most used first

  • Deep Royal Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    87 59 0 15
    On text
    2.77:1 Fail
    On white
    6.09:1 AA

    Text, background, border · .hero-discover.layout-blog.is-category-view .hero-discover-filters--category .he, html[data-theme=light]:not(:has(.customer-story-detail,.customer-story-hero,.cus

  • Cornflower Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    58 39 0 11
    On text
    5.02:1 AA
    On white
    3.36:1 AA large

    Text, border, background · .cta-feature-card-icon, --nav-text-active

  • Deep Slate Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    68 55 0 53
    On text
    1.51:1 Fail
    On white
    11.19:1 AAA

    Border, background, text · .award-strip-row .award-strip-cell:not(:first-child):before, .award-strip-ticker-cell:not(:first-child):before

  • Light Midnight Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    82 49 0 67
    On text
    1.20:1 Fail
    On white
    14.03:1 AAA

    Background, text, border · .cta-media[data-theme=dark] .cta-media-buttons .button>.button-inner.variant-nav, .pricing-tiers:not(.pricing-tiers--services) .pricing-tier-card .pricing-tier-bu

  • Light Steel Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    23 16 0 4
    On text
    10.56:1 AAA
    On white
    1.60:1 Fail

    Border, background, text · .hero-discover.layout-blog.is-category-view .hero-discover-filters--category, .hero-discover.layout-blog .hero-discover-filters:not(.hero-discover-filters--ca

  • Black

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    46 34 0 84
    On text
    1.02:1 Fail
    On white
    17.17:1 AAA

    Background · .cta-media[data-theme=dark] .cta-media-buttons .button>.button-inner.variant-nav, --nav-secondary-bg

  • Golden Rod

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 26 88 0
    On text
    10.01:1 AAA
    On white
    1.68:1 Fail

    Text, background · .hero-heading-highlight, .hero-discover-subtext .highlight-text

  • Light Slate Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    76 52 0 41
    On text
    1.99:1 Fail
    On white
    8.49:1 AAA

    Background · .mobile .mobile-nav-cta-group .button>.button-inner.variant-nav-primary, [data-theme=light] .main-nav .mobile .mobile-nav-cta-group .button>.button-inner

  • Lavender

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    14 9 0 3
    On text
    12.83:1 AAA
    On white
    1.31:1 Fail

    Background, border, text · html[data-theme=light]:not(:has(.customer-story-detail,.customer-story-hero,.cus, --marketplace-light-gradient

  • Gold

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 18 62 0
    On text
    11.60:1 AAA
    On white
    1.45:1 Fail

    Background · .hero-heading-highlight, .hero-discover-subtext .highlight-text

  • Deep Midnight Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    69 45 0 75
    On text
    1.08:1 Fail
    On white
    15.62:1 AAA

    Background, text · .hero-discover.layout-blog.is-category-view .hero-discover-filters--category .he, .header-search-field

  • Light Royal Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    84 55 0 9
    On text
    3.39:1 AA large
    On white
    4.98:1 AA

    Background, text · .cta-media[data-theme=light] .cta-media-buttons .button>.button-inner:hover, .cta-media[data-theme=light] .cta-media-buttons .button>.button-inner:hover .ico

Gradients

  • linear-gradient(90deg,#161b29,#0f2b55)

  • linear-gradient(90deg,#141521,#0d0e1a)

  • linear-gradient(101deg, #1c58d9 0%, #244997 105%)

Dark mode

Switched on by the site

  • White

    #FFFFFF · --color-text

  • Cornflower Blue

    #608AE4 · --color-brand

  • Dark Slate Blue

    #263677 · --color-brand-muted

  • Royal Blue

    #1C58D9 · --color-bg-primary

  • Midnight Blue

    #1E325C · --color-brand-on

  • Light Grey

    #C9C9CA · --color-heading-secondary

  • Cool Near Black

    #0D0E1A · --color-bg

  • Light Grey

    #ABABAB · --color-brand-subtle

  • Black

    #000000 · --color-text-on-brand

  • Cornflower Blue

    #60A5FA · --color-link

  • Light Sky Blue

    #93C5FD · --color-link-hover

  • Cool Near Black

    #1B1D22 · --color-bg-muted

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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.

trade-gothic-next

Aa 300 Aa 700

trade-gothic-next

Adobe Fonts · weights 300, 400, 500, 600, 700 · headings, buttons, body · shown in a stand-in if you don’t have it

Aa 300 Aa 900

Trade Gothic Next LT Pro

Self-hosted · weights 300, 400, 500, 600, 700, 800, 900 · headings, buttons · shown in a stand-in if you don’t have it

Aa 400 Aa 700

JetBrains Mono

Self-hosted · weights 400, 500, 700 · shown in a stand-in if you don’t have it

Aa 400 Aa 700

news-gothic-std

Adobe Fonts · weights 400, 700 · shown in a stand-in if you don’t have it

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

Type scale

From the site’s CSS
Heading 1 clamp(2.25rem, .8125rem + 2.5vw, 3rem) · 48 px / 1.2 weight 500 · trade-gothic-next

Mattermost

Heading 2 max(26px,min(2vw,32px)) · 26 px / 1 weight · trade-gothic-next

Mattermost | Operational and AI Sovereignty for…

Heading 3 24px / 1.2 weight · trade-gothic-next

Mattermost | Operational and AI Sovereignty for…

Heading 4 24px / 1.35 weight 400 · trade-gothic-next

Mattermost | Operational and AI Sovereignty for…

Heading 5 20px / 1.4 weight 400 · trade-gothic-next

Mattermost | Operational and AI Sovereignty for…

Heading 6 18px / 1.45 weight 400 · trade-gothic-next

Mattermost | Operational and AI Sovereignty for…

Body — trade-gothic-next

Zero-trust collaboration, automation and AI in private cloud, self-hosted, and air-gapped environments. Built for national security, critic…

Paragraph 18px / 1.4 weight 400 · trade-gothic-next

Zero-trust collaboration, automation and AI in private cloud, self-hosted, and air-gapped environments. Built for national security, critic…

Link 18px / 1.4 weight 500

Read more about Mattermost

Sizes in use

Most common across the site
  • 48pxline 1 · 118 rules
  • 32pxline 1 · 81 rules
  • 24pxline 1.4 · 124 rules
  • 20pxline 1.4 · 141 rules
  • 18pxline 1.4 · 178 rules
  • 16pxline 1.4 · 431 rules
  • 14pxline 1.4 · 218 rules
  • 12pxline 1.4 · 116 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

Button

Get started

.button>.button-inner.variant-nav-primary · #1C58D9

Corner radius

  • 100% · 25×
  • 4px · 21×
  • 50% · 13×
  • 12px · 10×
  • 48px · 6×
  • 8px · 5×

Shadows

  • 0 0 0 1px #1c58d9
  • 0 4px 16px #00000014
  • 0 24px 48px #00000059
  • 0 4px 16px #0d0e1a59

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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

Content widths (max-width)

832 px
813 px
709 px
708 px
576 px
500 px

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Notes

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

Notes

  • ▲ CheckThe title is 93 characters. Google usually cuts titles near 60, so the end may not show in results.
  • ▲ CheckThe description is 184 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 Mattermost use?
Mattermost’s website uses four typefaces: trade-gothic-next (headings and body text), adobe Fonts; Trade Gothic Next LT Pro, self-hosted; JetBrains Mono, self-hosted; news-gothic-std, adobe Fonts.
What are Mattermost’s brand colours?
The main colours on mattermost.com are Deep Royal Blue (#1C58D9), Cornflower Blue (#608AE4), Deep Slate Blue (#263677), Light Midnight Blue (#0F2B55), Light Steel Blue (#BBCDF4) and Black (#161B29).
What colour is Mattermost’s text and background?
Body text is #1B1D22 on a #FFFFFF background.
Where is Mattermost’s logo from?
The logo shown in this guide was found on mattermost.com’s homepage. For official logo files and usage rules, check Mattermost’s own brand or press page.
Is this Mattermost’s official style guide?
No. SiteStyleGuide made it from mattermost.com’s public web pages on 27 October 2026, and isn’t affiliated with Mattermost. 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

mattermost-com-tokens.css

Download

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

/* mattermost.com design tokens, from SiteStyleGuide (https://sitestyleguide.com/mattermost.com) */
:root {
  /* Colours */
  --text: #1B1D22;
  --background: #FFFFFF;
  --colour-white: #FFFFFF;
  --colour-light-cool-near-black: #1B1D22;
  --colour-deep-cool-near-black: #0D0E1A;
  --colour-light-grey: #C9C9CA;
  --colour-deep-royal-blue: #1C58D9;
  --colour-cornflower-blue: #608AE4;
  --colour-deep-slate-blue: #263677;
  --colour-light-midnight-blue: #0F2B55;
  --colour-light-steel-blue: #BBCDF4;
  --colour-black: #161B29;
  --colour-golden-rod: #FFBC1F;
  --colour-light-slate-blue: #244997;
  --colour-lavender: #D6E1F8;
  --colour-gold: #FFD062;
  --colour-deep-midnight-blue: #142340;
  --colour-light-royal-blue: #2468E8;
  --gradient-1: linear-gradient(90deg,#161b29,#0f2b55);
  --gradient-2: linear-gradient(90deg,#141521,#0d0e1a);
  --gradient-3: linear-gradient(101deg, #1c58d9 0%, #244997 105%);

  /* Typefaces */
  --font-headings: 'trade-gothic-next', 'Trade Gothic Next LT Pro', -apple-system, blinkmacsystemfont, 'Segoe UI', sans-serif;
  --font-buttons: 'trade-gothic-next', 'Trade Gothic Next LT Pro', -apple-system, blinkmacsystemfont, 'Segoe UI', sans-serif;
  --font-body: 'trade-gothic-next', 'Trade Gothic Next LT Pro', -apple-system, blinkmacsystemfont, 'Segoe UI', sans-serif;
  --font-other: 'JetBrains Mono', monospace;

  /* Type scale */
  --text-h1: clamp(2.25rem, .8125rem + 2.5vw, 3rem);
  --leading-h1: 1.2;
  --text-h2: max(26px,min(2vw,32px));
  --leading-h2: 1;
  --text-h3: 24px;
  --leading-h3: 1.2;
  --text-h4: 24px;
  --leading-h4: 1.35;
  --text-h5: 20px;
  --leading-h5: 1.4;
  --text-h6: 18px;
  --leading-h6: 1.45;
  --text-p: 18px;
  --leading-p: 1.4;
  --text-a: 18px;
  --leading-a: 1.4;

  /* Shape */
  --radius-1: 100%;
  --radius-2: 4px;
  --radius-3: 50%;
  --radius-4: 12px;
  --radius-5: 48px;
  --radius-6: 8px;
}

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

View our style guide on SiteStyleGuide 
<a href="https://sitestyleguide.com/mattermost.com" title="Mattermost 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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Similar colours

Websites whose lead colour is closest to Mattermost’s

Captured from mattermost.com on 27 October 2026. SiteStyleGuide isn’t affiliated with or endorsed by Mattermost; this guide describes the public website for reference.