Brand color
GitHub Primer Blue
#0969dargb(9, 105, 218)hsl(212, 92%, 45%)oklch(0.54 0.191 257.5)GitHub Primer Blue on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 11 public brands that use it and the palettes it appears in.
Colors that go with GitHub Primer Blue
Charcoal, Crimson and Sienna lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for GitHub Primer Blue: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson 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.
Sienna #a0522d
complementaryshippedSienna 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.
Amber #ffbf00
shippedAmber is paired with GitHub Primer Blue in 10 real palettes, including NBA's brand system and Walmart's brand system, as the lead colour.
Blue #0000ff
shipped15 real palettes, including Headspace's brand system and BBC's brand system put Blue beside GitHub Primer Blue, as the accent.
Cobalt Blue #0047ab
shippedDesigners 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.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with GitHub Primer Blue: 7 real palettes, including NBA's brand system and Webflow's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners 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.
Real palettes that use GitHub Primer Blue
Tints & shades
Harmonies
Contrast
| GitHub Primer Blue as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.19:1 | pass | pass | fail |
|
Aaon black | 4.04:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with GitHub Primer Blue as the background.
Brands using this color
- GitHubaccent · #0969da
- Foot Lockeraccent · #036ad8 · Δ0.424
- Loomprimary · #1868db · Δ0.503
- Loomsecondary · #1868db · Δ0.503
- Khan Academyaccent · #0069d6 · Δ0.668
- NBAsecondary · #0268d6 · Δ0.703
- ASUSaccent · #006ce1 · Δ1.254
- Fitbitsecondary · #1967d2 · Δ1.309
- HashiCorpprimary · #2264d6 · Δ1.444
- HashiCorpaccent · #2264d6 · Δ1.444
- Postmanaccent · #0265d2 · Δ1.613
Fonts for this mood
GitHub Primer Blue reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #0969da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/0969da-9caac4-df564e-1f202d-e9f1f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md