Slack brand colors, fonts & UI tokens
The palette, type, corner geometry and surface tones behind Slack’s website, with contrast ratios and tokens you can paste into Tailwind, CSS or Figma.
Typography
- Headings
- Salesforce Avant Garde
- Body
- Salesforce Sans
- Monospace
- SF Mono
- Free stand-in
- Poppins / Lato / JetBrains Mono
Avant Garde for Salesforce and Salesforce Sans are proprietary to Salesforce; Lato (open source) is Slack's product font. Poppins and Lato are free stand-ins.
Geometry & surface
- Radius style
- Technical · 4-6 px
- Controls
- 4px
- Cards
- 16px
- Scale
- 4px · 8px · 16px
Design language
- The logo's four colors (blue, green, yellow, red) sit on white; the brand guide leads with Aubergine (#4A154B) and warm Horchata (#F4EDE4).
- The current site uses a brighter purple (#730394) for uppercase, bold 4 px buttons and a deep plum (#481A54) for feature bands.
- Avant Garde for Salesforce headlines and Salesforce Sans body text reflect Slack's place in the Salesforce family.
Live UI preview
Slack’s palette, type and corner geometry on a navbar, hero, pricing table, form field and toast. Switch to the WCAG-fixed palette or dark mode to compare.
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Sample content. Colors, type and corners come from the Slack profile.
Technical SEO snapshot
slack.com · scanned 11 Nov 2026- passTitle tag45 chars: “Slack | AI Work Platform & Productivity Tools”
- warnMeta description173 chars
- passSingle H1 heading1 H1 element(s)
- passCanonical URLhttps://slack.com/
- passHTML lang attributelang="en-US"
- passMobile viewportwidth=device-width, initial-scale=1
- passOpen Graph tags3/3 of og:title, og:description, og:image
- passTwitter / X cardsummary_large_image
- warnStructured data (JSON-LD)No JSON-LD found
- passHTTPSServed over HTTPS
- passIndexable (robots meta)No robots restrictions
- passXML sitemap3162 URLs · https://slack.com/sitemap.xml
- passFavicon / touch iconIcon link present
- passImage alt text100% of 79 images
WCAG contrast ratios
| Pairing | Colors | Ratio | WCAG AA |
|---|---|---|---|
| Body text on surface | #1D1C1D / #FFFFFF | 16.99:1 | Pass |
| Secondary text on surface | #5C5C5C / #FFFFFF | 6.69:1 | Pass |
| Primary as link/text on surface | #730394 / #FFFFFF | 9.68:1 | Pass |
| Button label on primary | #FFFFFF / #730394 | 9.68:1 | Pass |
| Accent on surface | #36C5F0 / #FFFFFF | 2.02:1 | Fail |
| Secondary on surface | #4A154B / #FFFFFF | 14.00:1 | Pass |
| White on secondary | #FFFFFF / #4A154B | 14.00:1 | Pass |
| Dark mode: text on canvas | #F5F5F7 / #0E0A11 | 18.02:1 | Pass |
| Dark mode: primary on canvas | #C514FA / #0E0A11 | 4.54:1 | Pass |
Use the Slack system in SuiteAnvil
Each tool opens with Slack preloaded as the active BrandProfile.
Slack tokens for Tailwind CSS v4
Paste into your global stylesheet, or open StyleExtract for CSS variables, Figma tokens, DESIGN.md and .cursorrules.
/* Slack design tokens, extracted from https://slack.com
Generated by SuiteAnvil StyleExtract · https://suiteanvil.com */
@import "tailwindcss";
@theme {
/* Brand roles */
--color-brand: #730394;
--color-brand-foreground: #FFFFFF;
--color-secondary: #4A154B;
--color-accent: #36C5F0;
--color-surface: #FFFFFF;
--color-ink: #1D1C1D;
--color-ink-muted: #5C5C5C;
--color-line: #C9C9C9;
/* Surfaces (UI vibe: Neutral white) */
--color-canvas: #FFFFFF;
--color-card: #FFFFFF;
--color-hairline: #C9C9C9;
/* Primary tonal scale */
--color-brand-50: #F8F2FA;
--color-brand-100: #EEE1F2;
--color-brand-200: #DCC0E4;
--color-brand-300: #C08ECF;
--color-brand-400: #9D4FB4;
--color-brand-500: #730394;
--color-brand-600: #630480;
--color-brand-700: #510568;
--color-brand-800: #3F0750;
--color-brand-900: #2F083C;
--color-brand-950: #21082A;
/* Typography: brand family first, free stand-in second */
--font-heading: "Salesforce Avant Garde", Poppins, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
--font-sans: "Salesforce Sans", Lato, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
--font-mono: "SF Mono", "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
/* Shape (UI vibe: Technical · 4-6 px) */
--radius-sm: 4px;
--radius-md: 8px;
--radius-lg: 16px;
--radius-button: 4px;
--radius-control: 4px;
--radius-card: 16px;
}
/* Dark mode overrides (toggle with <html data-theme="dark">) */
@custom-variant dark (&:where([data-theme="dark"], [data-theme="dark"] *));
[data-theme="dark"] {
--color-brand: #C514FA;
--color-brand-foreground: #111113;
--color-accent: #36C5F0;
--color-surface: #0E0A11;
--color-canvas: #0E0A11;
--color-card: #16111C;
--color-hairline: #262329;
--color-ink: #F5F5F7;
--color-ink-muted: #A1A1AA;
--color-line: #262329;
}
SuiteAnvil extracts publicly visible design tokens, logos, and font references for workflow automation. You are responsible for ensuring you hold valid commercial rights or client authorization for any proprietary fonts, trademarks, and brand assets before commercial publication. Licensing notice
FAQ
What is Slack’s primary brand color?
Slack’s primary color is #730394 (rgb(115, 3, 148)), used for primary actions and emphasis. Text is set in #1D1C1D on a #FFFFFF surface.
What font does Slack use?
Slack uses Salesforce Avant Garde for headings and Salesforce Sans for body text, with SF Mono for code. Avant Garde for Salesforce and Salesforce Sans are proprietary to Salesforce; Lato (open source) is Slack's product font. Poppins and Lato are free stand-ins.
What is a free alternative to Slack’s font?
Poppins is a close free alternative for headings, Lato for body text, and JetBrains Mono works for monospace.
What corner radius does Slack use?
Slack reads as technical · 4-6 px: controls use 4px, cards about 16px, on a neutral white canvas (#FFFFFF).
Do Slack’s brand colors meet WCAG contrast?
8 of 9 key pairings pass WCAG 2.1 AA. Accent on surface is 2.02:1
More in AI & Productivity
Reference snapshot of Slack’s public website styling for educational and interoperability purposes, scanned 11 Nov 2026. Slack and its logo are trademarks of their owner, shown for identification only; SuiteAnvil is not affiliated with or endorsed by Slack.
Compare your website with Slack
Scan your own site and see its palette, fonts, corner radius, WCAG contrast and SEO score next to Slack's, side by side.
Work with the Slack brand system
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