Color

#c7221f

#c7221f
hex#c7221f
rgbrgb(199, 34, 31)
hslhsl(1, 73%, 45%)
oklchoklch(0.536 0.199 27.9)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1339

Colors that go with #c7221f

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 →

#1fc4c7

#c71f70 · #c7761f

#1fc722 · #221fc7

Split-complementary

Open in tool →

#1fc776 · #1f70c7

#70c71f · #1fc4c7 · #761fc7

Contrast

#c7221f as textRatioAAAA largeAAAFix
Aaon white
5.71:1passpassfail
  • AAA: use #ac1d1b as the text (7.13:1)
Aaon black
3.68:1failpassfail
  • AA: use #de2e2b as the text (4.53:1)
  • AAA: use #e97472 as the text (7.21:1)
  • 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 #c7221f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c7221f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c7221f
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 #c7221f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c7221f-c4a19c-62cb9a-2d261f-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