Color

#cb1524

#cb1524
hex#cb1524
rgbrgb(203, 21, 36)
hslhsl(355, 81%, 44%)
oklchoklch(0.537 0.209 25.4)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1336

Colors that go with #cb1524

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 →

#15cbbc

#cb157f · #cb6115

#24cb15 · #1524cb

Split-complementary

Open in tool →

#15cb61 · #157fcb

#7fcb15 · #15cbbc · #6115cb

Contrast

#cb1524 as textRatioAAAA largeAAAFix
Aaon white
5.72:1passpassfail
  • AAA: use #af121f as the text (7.17:1)
Aaon black
3.67:1failpassfail
  • AA: use #e71829 as the text (4.56:1)
  • AAA: use #ef6b76 as the text (7.03:1)
  • AA: or shift the background to #e6e6e6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb1524 as the background.

Brands using this color

Fonts for this mood

#cb1524 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb1524
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 #cb1524 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb1524-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