Color

#c53302

#c53302
hex#c53302
rgbrgb(197, 51, 2)
hslhsl(15, 98%, 39%)
oklchoklch(0.544 0.189 35.2)
Closest name: Bolognese (#bb4400)Relative luminance 0.1424

Colors that go with #c53302

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 #c53302

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0294c5

#c50233 · #c59402

#02c533 · #3302c5

Split-complementary

Open in tool →

#02c594 · #0233c5

#33c502 · #0294c5 · #9402c5

Contrast

#c53302 as textRatioAAAA largeAAAFix
Aaon white
5.46:1passpassfail
  • AAA: use #a72b02 as the text (7.02:1)
Aaon black
3.85:1failpassfail
  • AA: use #d93802 as the text (4.52:1)
  • AAA: use #fd6330 as the text (7:1)
  • AA: or shift the background to #ebebeb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c53302 as the background.

Brands using this color

Fonts for this mood

#c53302 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c53302
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 #c53302 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c53302-c4ab9c-62cbb2-2d291f-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