Color

#c31322

#c31322
hex#c31322
rgbrgb(195, 19, 34)
hslhsl(355, 82%, 42%)
oklchoklch(0.521 0.203 25.4)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1218

Colors that go with #c31322

Royal Blue, Steel Blue and Teal 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 →

#13c3b4

#c3137a · #c35c13

#22c313 · #1322c3

Split-complementary

Open in tool →

#13c35c · #137ac3

#7ac313 · #13c3b4 · #5c13c3

Contrast

#c31322 as textRatioAAAA largeAAAFix
Aaon white
6.11:1passpassfail
  • AAA: use #b0111f as the text (7.13:1)
Aaon black
3.44:1failpassfail
  • AA: use #e81728 as the text (4.58:1)
  • AAA: use #f06a76 as the text (7.03:1)
  • AA: or shift the background to #dedede (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 #c31322 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c31322 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c31322
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 #c31322 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c31322-c49e9c-62cb8f-2d241f-f1e9ee?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