Color

#c02138

#c02138
hex#c02138
rgbrgb(192, 33, 56)
hslhsl(351, 71%, 44%)
oklchoklch(0.525 0.192 20.3)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1258

Colors that go with #c02138

Royal Blue, Sea Green and Steel 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 →

#21c0a8

#c02188 · #c05821

#38c021 · #2138c0

Split-complementary

Open in tool →

#21c058 · #2188c0

#88c021 · #21c0a8 · #5821c0

Contrast

#c02138 as textRatioAAAA largeAAAFix
Aaon white
5.97:1passpassfail
  • AAA: use #aa1d32 as the text (7.16:1)
Aaon black
3.52:1failpassfail
  • AA: use #dc2e48 as the text (4.53:1)
  • AAA: use #e77385 as the text (7.19:1)
  • AA: or shift the background to #e0e0e0 (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 #c02138 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c02138 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c02138
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 #c02138 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c02138-c49c9e-62cb89-2d231f-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