Color

#c42003

#c42003
hex#c42003
rgbrgb(196, 32, 3)
hslhsl(9, 97%, 39%)
oklchoklch(0.527 0.2 31.6)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1278

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03a7c4

#c40347 · #c48003

#03c420 · #2003c4

Split-complementary

Open in tool →

#03c480 · #0347c4

#47c403 · #03a7c4 · #8003c4

Contrast

#c42003 as textRatioAAAA largeAAAFix
Aaon white
5.91:1passpassfail
  • AAA: use #ab1c03 as the text (7.24:1)
Aaon black
3.56:1failpassfail
  • AA: use #e72604 as the text (4.68:1)
  • AAA: use #fc654a as the text (7.1:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c42003 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#c42003 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c42003
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 #c42003 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c42003-c4a79c-62cba8-2d271f-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