Color

#c00231

#c00231
hex#c00231
rgbrgb(192, 2, 49)
hslhsl(345, 98%, 38%)
oklchoklch(0.512 0.205 19.9)
Closest name: Akai Red (#bc012e)Relative luminance 0.1147

Colors that go with #c00231

Royal Blue, Steel Blue and Teal 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 →

#02c090

#c00290 · #c03102

#31c002 · #0231c0

Split-complementary

Open in tool →

#02c031 · #0290c0

#90c002 · #02c090 · #3102c0

Contrast

#c00231 as textRatioAAAA largeAAAFix
Aaon white
6.37:1passpassfail
  • AAA: use #b1022e as the text (7.2:1)
Aaon black
3.29:1failpassfail
  • AA: use #e8023c as the text (4.51:1)
  • AAA: use #fd5d85 as the text (7.08:1)
  • AA: or shift the background to #d9d9d9 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c00231 as the background.

Brands using this color

Fonts for this mood

#c00231 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c00231
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 #c00231 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c00231-c49ca1-62cb7e-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