Color

#c91d22

#c91d22
hex#c91d22
rgbrgb(201, 29, 34)
hslhsl(358, 75%, 45%)
oklchoklch(0.537 0.204 26.7)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1341

Colors that go with #c91d22

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 →

#1dc9c3

#c91d78 · #c96d1d

#22c91d · #1d22c9

Split-complementary

Open in tool →

#1dc96d · #1d78c9

#78c91d · #1dc9c3 · #6d1dc9

Contrast

#c91d22 as textRatioAAAA largeAAAFix
Aaon white
5.7:1passpassfail
  • AAA: use #ae191e as the text (7.1:1)
Aaon black
3.68:1failpassfail
  • AA: use #e0292f as the text (4.53:1)
  • AAA: use #eb7074 as the text (7.1:1)
  • AA: or shift the background to #e6e6e6 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c91d22 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c91d22 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c91d22
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 #c91d22 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c91d22-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