Color

#c80910

#c80910
hex#c80910
rgbrgb(200, 9, 16)
hslhsl(358, 91%, 41%)
oklchoklch(0.526 0.212 28.1)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1251

Colors that go with #c80910

Charcoal, Royal Blue and Steel Blue 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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#09c8c1

#c8096f · #c86209

#10c809 · #0910c8

Split-complementary

Open in tool →

#09c862 · #096fc8

#6fc809 · #09c8c1 · #6209c8

Contrast

#c80910 as textRatioAAAA largeAAAFix
Aaon white
6:1passpassfail
  • AAA: use #b4080e as the text (7.04:1)
Aaon black
3.5:1failpassfail
  • AA: use #ea0b12 as the text (4.56:1)
  • AAA: use #f8686d as the text (7.19:1)
  • AA: or shift the background to #e0e0e0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c80910 as the background.

Brands using this color

Fonts for this mood

#c80910 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c80910
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #c80910 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c80910-c49f9c-62cb95-2d251f-f1e9ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md