Color

#ca1c1e

#ca1c1e
hex#ca1c1e
rgbrgb(202, 28, 30)
hslhsl(359, 76%, 45%)
oklchoklch(0.538 0.205 27.4)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1348

Colors that go with #ca1c1e

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 →

#1ccac7

#ca1c76 · #ca701c

#1eca1c · #1c1eca

Split-complementary

Open in tool →

#1cca70 · #1c76ca

#76ca1c · #1ccac7 · #701cca

Contrast

#ca1c1e as textRatioAAAA largeAAAFix
Aaon white
5.68:1passpassfail
  • AAA: use #af181a as the text (7.07:1)
Aaon black
3.7:1failpassfail
  • AA: use #e2282b as the text (4.57:1)
  • AAA: use #eb6f71 as the text (7.04:1)
  • AA: or shift the background to #e6e6e6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ca1c1e as the background.

Brands using this color

Fonts for this mood

#ca1c1e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ca1c1e
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 #ca1c1e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ca1c1e-c4a09c-62cb96-2d251f-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