Color

#c21922

#c21922
hex#c21922
rgbrgb(194, 25, 34)
hslhsl(357, 77%, 43%)
oklchoklch(0.521 0.199 26)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1228

Colors that go with #c21922

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 →

#19c2ba

#c21976 · #c26519

#22c219 · #1922c2

Split-complementary

Open in tool →

#19c265 · #1976c2

#76c219 · #19c2ba · #6519c2

Contrast

#c21922 as textRatioAAAA largeAAAFix
Aaon white
6.08:1passpassfail
  • AAA: use #b0171f as the text (7.03:1)
Aaon black
3.46:1failpassfail
  • AA: use #e32630 as the text (4.59:1)
  • AAA: use #ec6f75 as the text (7.1:1)
  • AA: or shift the background to #dedede (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 #c21922 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c21922 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c21922
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 #c21922 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c21922-c49f9c-62cb93-2d251f-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