Color

#c53a07

#c53a07
hex#c53a07
rgbrgb(197, 58, 7)
hslhsl(16, 93%, 40%)
oklchoklch(0.551 0.183 36.5)
Closest name: Bolognese (#bb4400)Relative luminance 0.1491

Colors that go with #c53a07

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 #c53a07

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0792c5

#c50733 · #c59907

#07c53a · #3a07c5

Split-complementary

Open in tool →

#07c599 · #0733c5

#33c507 · #0792c5 · #9907c5

Contrast

#c53a07 as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #a23006 as the text (7.09:1)
Aaon black
3.98:1failpassfail
  • AA: use #d94008 as the text (4.69:1)
  • AAA: use #f86935 as the text (7.06:1)
  • AA: or shift the background to #ededed (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c53a07 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c53a07 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c53a07
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 #c53a07 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c53a07-c4ab9c-62cbb4-2d291f-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