Color

#c83f04

#c83f04
hex#c83f04
rgbrgb(200, 63, 4)
hslhsl(18, 96%, 40%)
oklchoklch(0.561 0.182 37.9)
Closest name: Bolognese (#bb4400)Relative luminance 0.1584

Colors that go with #c83f04

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 #c83f04

Tints & shades

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

Harmonies

Complementary

Open in tool →

#048dc8

#c8042b · #c8a104

#04c83f · #3f04c8

Split-complementary

Open in tool →

#04c8a1 · #042bc8

#2bc804 · #048dc8 · #a104c8

Contrast

#c83f04 as textRatioAAAA largeAAAFix
Aaon white
5.04:1passpassfail
  • AAA: use #a03203 as the text (7.11:1)
Aaon black
4.17:1failpassfail
  • AA: use #d24204 as the text (4.52:1)
  • AAA: use #fb6728 as the text (7.07:1)
  • AA: or shift the background to #f5f5f5 (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 #c83f04 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c83f04 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c83f04
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 #c83f04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c83f04-c4ad9c-62cbb8-2d291f-f1e9eb?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