Color

#c03e2a

#c03e2a
hex#c03e2a
rgbrgb(192, 62, 42)
hslhsl(8, 64%, 46%)
oklchoklch(0.549 0.17 31.5)
Closest name: Rust (#b7410e)Relative luminance 0.1482

Colors that go with #c03e2a

Royal Blue, Teal and Dark Olive 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 #c03e2a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2aacc0

#c02a61 · #c0892a

#2ac03e · #3e2ac0

Split-complementary

Open in tool →

#2ac089 · #2a61c0

#61c02a · #2aacc0 · #892ac0

Contrast

#c03e2a as textRatioAAAA largeAAAFix
Aaon white
5.3:1passpassfail
  • AAA: use #9f3323 as the text (7.07:1)
Aaon black
3.96:1failpassfail
  • AA: use #d1442e as the text (4.58:1)
  • AAA: use #df7c6d as the text (7.24:1)
  • AA: or shift the background to #ededed (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c03e2a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#c03e2a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c03e2a
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 #c03e2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c03e2a-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