Color

#c31432

#c31432
hex#c31432
rgbrgb(195, 20, 50)
hslhsl(350, 81%, 42%)
oklchoklch(0.523 0.201 21.1)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1233

Colors that go with #c31432

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 →

#14c2a5

#c21488 · #c24e14

#31c214 · #1431c2

Split-complementary

Open in tool →

#14c24e · #1488c2

#88c214 · #14c2a5 · #4e14c2

Contrast

#c31432 as textRatioAAAA largeAAAFix
Aaon white
6.06:1passpassfail
  • AAA: use #af122d as the text (7.13:1)
Aaon black
3.47:1failpassfail
  • AA: use #e7183b as the text (4.59:1)
  • AAA: use #ef6b81 as the text (7.09:1)
  • AA: or shift the background to #dedede (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c31432 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c31432 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c31432
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 #c31432 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c31432-c49c9e-62cb87-2d231f-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