Color

#c81e32

#c81e32
hex#c81e32
rgbrgb(200, 30, 50)
hslhsl(353, 74%, 45%)
oklchoklch(0.537 0.201 22.5)
Closest name: Akari Red (#c90b42)Relative luminance 0.1344

Colors that go with #c81e32

Charcoal, Royal Blue 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 →

#1ec8b4

#c81e87 · #c85f1e

#32c81e · #1e32c8

Split-complementary

Open in tool →

#1ec85f · #1e87c8

#87c81e · #1ec8b4 · #5f1ec8

Contrast

#c81e32 as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #ad1a2b as the text (7.1:1)
Aaon black
3.69:1failpassfail
  • AA: use #df2a3f as the text (4.54:1)
  • AAA: use #ea717f as the text (7.17:1)
  • AA: or shift the background to #e6e6e6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c81e32 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c81e32 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c81e32
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 #c81e32 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c81e32-c49c9c-62cb8c-2d241f-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