Color

#c90d2c

#c90d2c
hex#c90d2c
rgbrgb(201, 13, 44)
hslhsl(350, 88%, 42%)
oklchoklch(0.531 0.209 22.7)
Closest name: Akari Red (#c90b42)Relative luminance 0.1289

Colors that go with #c90d2c

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 →

#0dc9aa

#c90d8b · #c94c0d

#2cc90d · #0d2cc9

Split-complementary

Open in tool →

#0dc94c · #0d8bc9

#8bc90d · #0dc9aa · #4c0dc9

Contrast

#c90d2c as textRatioAAAA largeAAAFix
Aaon white
5.87:1passpassfail
  • AAA: use #b10b27 as the text (7.13:1)
Aaon black
3.58:1failpassfail
  • AA: use #eb0f34 as the text (4.65:1)
  • AAA: use #f5667e as the text (7.08:1)
  • AA: or shift the background to #e3e3e3 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c90d2c as the background.

Brands using this color

Fonts for this mood

#c90d2c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c90d2c
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 #c90d2c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c90d2c-c49c9e-62cb87-2d231f-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