Color

#cf021a

#cf021a
hex#cf021a
rgbrgb(207, 2, 26)
hslhsl(353, 98%, 41%)
oklchoklch(0.538 0.218 26.4)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1338

Colors that go with #cf021a

Royal Blue, Teal and 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 →

#02cfb7

#cf0280 · #cf5102

#1acf02 · #021acf

Split-complementary

Open in tool →

#02cf51 · #0280cf

#80cf02 · #02cfb7 · #5102cf

Contrast

#cf021a as textRatioAAAA largeAAAFix
Aaon white
5.71:1passpassfail
  • AAA: use #b10216 as the text (7.27:1)
Aaon black
3.68:1failpassfail
  • AA: use #ed021e as the text (4.63:1)
  • AAA: use #fd6275 as the text (7.18:1)
  • 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 #cf021a as the background.

Brands using this color

Fonts for this mood

#cf021a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cf021a
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 #cf021a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cf021a-c49c9c-62cb8c-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