Color

#c91c08

#c91c08
hex#c91c08
rgbrgb(201, 28, 8)
hslhsl(6, 92%, 41%)
oklchoklch(0.535 0.206 30.5)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1327

Colors that go with #c91c08

Teal, Dark Olive Green and Sea Green 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.

Real palettes that use #c91c08

Tints & shades

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

Harmonies

Complementary

Open in tool →

#08b5c9

#c90855 · #c97c08

#08c91c · #1c08c9

Split-complementary

Open in tool →

#08c97c · #0855c9

#55c908 · #08b5c9 · #7c08c9

Contrast

#c91c08 as textRatioAAAA largeAAAFix
Aaon white
5.75:1passpassfail
  • AAA: use #b01807 as the text (7.05:1)
Aaon black
3.65:1failpassfail
  • AA: use #e6200a as the text (4.58:1)
  • AAA: use #f86859 as the text (7.12:1)
  • AA: or shift the background to #e6e6e6 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c91c08 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#c91c08 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c91c08
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 #c91c08 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c91c08-c4a59c-62cba3-2d271f-f1e9ec?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