Color

#cb0631

#cb0631
hex#cb0631
rgbrgb(203, 6, 49)
hslhsl(347, 94%, 41%)
oklchoklch(0.534 0.213 21.1)
Closest name: Akari Red (#c90b42)Relative luminance 0.1305

Tints & shades

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

Harmonies

Complementary

Open in tool →

#06cba0

#cb0693 · #cb3e06

#31cb06 · #0631cb

Split-complementary

Open in tool →

#06cb3e · #0693cb

#93cb06 · #06cba0 · #3e06cb

Contrast

#cb0631 as textRatioAAAA largeAAAFix
Aaon white
5.82:1passpassfail
  • AAA: use #b2062b as the text (7.11:1)
Aaon black
3.61:1failpassfail
  • AA: use #e90738 as the text (4.55:1)
  • AAA: use #fa6182 as the text (7.1:1)
  • AA: or shift the background to #e3e3e3 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb0631 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

#cb0631 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb0631
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 #cb0631 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb0631-c49ca0-62cb82-2d221f-f1e9ef?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