# GitHub Primer Blue (#0969da)

A brand color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#0969da`
- RGB: rgb(9, 105, 218)
- HSL: hsl(212, 92%, 45%)
- OKLCH: oklch(0.54 0.191 257.5)
- Relative luminance: 0.1522
- Name: GitHub Primer Blue (`github-primer-blue`, source: brand, brand: github)
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/github-primer-blue

## Tints & shades

- Tints (toward white): #0a78f5, #2888f6, #4095f7, #59a3f8, #76b3f9, #8ec1fa, #a7cefb, #bfdcfc, #ddecfe, #f5faff
- Shades (toward black): #0862c9, #0859b5, #074fa2, #06458e, #053c7a, #043062, #03264e, #021d3b, #021327, #010a14

## Harmonies

- Complementary: #dc7a09
- Analogous: #09d5dc, #1009dc
- Triadic: #dc096c, #6cdc09
- Split-complementary: #dc1009, #d5dc09
- Tetradic: #dc09d5, #dc7a09, #09dc10

## Colors that go with GitHub Primer Blue

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for GitHub Primer Blue: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with GitHub Primer Blue — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Chase (https://brandsweets.com/colors/brands/chase-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite GitHub Primer Blue on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with GitHub Primer Blue in 10 real palettes, including NBA's brand system and Walmart's brand system, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 15 real palettes, including Headspace's brand system and BBC's brand system put Blue beside GitHub Primer Blue, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), BBC (https://brandsweets.com/colors/brands/bbc-com), EA (https://brandsweets.com/colors/brands/ea-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with GitHub Primer Blue: 14 real palettes, including Unilever's brand system and Carrefour's brand system, as the lead colour. Seen in: Unilever (https://brandsweets.com/colors/brands/unilever-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with GitHub Primer Blue: 7 real palettes, including NBA's brand system and Webflow's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with GitHub Primer Blue: 7 real palettes, including Elastic's brand system and Venmo's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Venmo (https://brandsweets.com/colors/brands/venmo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 5.19:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0756b0 (7.08:1)
- On black (#000000): 4.04:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #0a73eb (4.66:1); AA: background → #f0f0f0 (4.56:1); AAA: text → #4598f7 (7.09:1)

## Brands using this color

- **GitHub** — accent #0969da — https://brandsweets.com/colors/brands/github
- **Foot Locker** — accent #036ad8 (Δ 0.424) — https://brandsweets.com/colors/brands/footlocker-com
- **Loom** — primary #1868db (Δ 0.503) — https://brandsweets.com/colors/brands/loom-com
- **Loom** — secondary #1868db (Δ 0.503) — https://brandsweets.com/colors/brands/loom-com
- **Khan Academy** — accent #0069d6 (Δ 0.668) — https://brandsweets.com/colors/brands/khanacademy-org
- **NBA** — secondary #0268d6 (Δ 0.703) — https://brandsweets.com/colors/brands/nba-com
- **ASUS** — accent #006ce1 (Δ 1.254) — https://brandsweets.com/colors/brands/asus-com
- **Fitbit** — secondary #1967d2 (Δ 1.309) — https://brandsweets.com/colors/brands/fitbit-com
- **HashiCorp** — primary #2264d6 (Δ 1.444) — https://brandsweets.com/colors/brands/hashicorp-com
- **HashiCorp** — accent #2264d6 (Δ 1.444) — https://brandsweets.com/colors/brands/hashicorp-com
- **Postman** — accent #0265d2 (Δ 1.613) — https://brandsweets.com/colors/brands/postman-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/0969da-9caac4-df564e-1f202d-e9f1f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#0969da" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.