Color

#c11524

#c11524
hex#c11524
rgbrgb(193, 21, 36)
hslhsl(355, 80%, 42%)
oklchoklch(0.518 0.2 25)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.12

Colors that go with #c11524

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 →

#15c1b3

#c11579 · #c15d15

#24c115 · #1524c1

Split-complementary

Open in tool →

#15c15d · #1579c1

#79c115 · #15c1b3 · #5d15c1

Contrast

#c11524 as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #ae1320 as the text (7.21:1)
Aaon black
3.4:1failpassfail
  • AA: use #e6192a as the text (4.54:1)
  • AAA: use #ef6c77 as the text (7.08:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c11524 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c11524 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c11524
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 #c11524 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c11524-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