Color

#c31d52

#c31d52
hex#c31d52
rgbrgb(195, 29, 82)
hslhsl(341, 74%, 44%)
oklchoklch(0.533 0.198 10)
Closest name: Bleeding Heart (#c02e4c)Relative luminance 0.1309

Colors that go with #c31d52

Denim, Teal and Amber 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 →

#1dc38f

#c31da5 · #c33c1d

#52c31d · #1d52c3

Split-complementary

Open in tool →

#1dc33c · #1da5c3

#a5c31d · #1dc38f · #3c1dc3

Contrast

#c31d52 as textRatioAAAA largeAAAFix
Aaon white
5.8:1passpassfail
  • AAA: use #a91947 as the text (7.2:1)
Aaon black
3.62:1failpassfail
  • AA: use #df2660 as the text (4.58:1)
  • AAA: use #e96d94 as the text (7.08:1)
  • AA: or shift the background to #e3e3e3 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c31d52 as the background.

Brands using this color

Fonts for this mood

#c31d52 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c31d52
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 #c31d52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c31d52-c49ca4-62cb77-2d211f-f1e9ef?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