Color

#c3331d

#c3331d
hex#c3331d
rgbrgb(195, 51, 29)
hslhsl(8, 74%, 44%)
oklchoklch(0.541 0.184 31.6)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1406

Colors that go with #c3331d

Charcoal, Royal Blue and Sea Green 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.

Real palettes that use #c3331d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1dadc3

#c31d5a · #c3861d

#1dc333 · #331dc3

Split-complementary

Open in tool →

#1dc386 · #1d5ac3

#5ac31d · #1dadc3 · #861dc3

Contrast

#c3331d as textRatioAAAA largeAAAFix
Aaon white
5.51:1passpassfail
  • AAA: use #a42b19 as the text (7.15:1)
Aaon black
3.81:1failpassfail
  • AA: use #d93920 as the text (4.56:1)
  • AAA: use #e87564 as the text (7.16:1)
  • AA: or shift the background to #ebebeb (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c3331d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c3331d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c3331d
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 #c3331d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3331d-c4a69c-62cba6-2d271f-f1e9ec?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