Color

#ca1807

#ca1807
hex#ca1807
rgbrgb(202, 24, 7)
hslhsl(5, 93%, 41%)
oklchoklch(0.534 0.209 30.1)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1323

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#07baca

#ca0758 · #ca7907

#07ca18 · #1807ca

Split-complementary

Open in tool →

#07ca79 · #0758ca

#58ca07 · #07baca · #7907ca

Contrast

#ca1807 as textRatioAAAA largeAAAFix
Aaon white
5.76:1passpassfail
  • AAA: use #b11506 as the text (7.05:1)
Aaon black
3.65:1failpassfail
  • AA: use #e71b08 as the text (4.56:1)
  • AAA: use #f96558 as the text (7.03:1)
  • AA: or shift the background to #e6e6e6 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ca1807 as the background.

Brands using this color

Fonts for this mood

#ca1807 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ca1807
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #ca1807 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ca1807-c4a49c-62cba1-2d261f-f1e9ec?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