Color

#c21714

#c21714
hex#c21714
rgbrgb(194, 23, 20)
hslhsl(1, 81%, 42%)
oklchoklch(0.519 0.202 28.5)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1213

Colors that go with #c21714

Royal Blue, Sea Green 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 →

#14bfc2

#c21468 · #c26e14

#14c217 · #1714c2

Split-complementary

Open in tool →

#14c26e · #1468c2

#68c214 · #14bfc2 · #6e14c2

Contrast

#c21714 as textRatioAAAA largeAAAFix
Aaon white
6.13:1passpassfail
  • AAA: use #af1512 as the text (7.15:1)
Aaon black
3.43:1failpassfail
  • AA: use #e71c18 as the text (4.58:1)
  • AAA: use #ef6e6b as the text (7.11:1)
  • AA: or shift the background to #dedede (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c21714 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c21714 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c21714
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 #c21714 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c21714-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