Color

#a63d36

#a63d36
hex#a63d36
rgbrgb(166, 61, 54)
hslhsl(4, 51%, 43%)
oklchoklch(0.506 0.14 27)
Closest name: Barbarossa (#a84734)Relative luminance 0.1171

Colors that go with #a63d36

Royal Blue, Teal and Amber 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 #a63d36

Tints & shades

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

Harmonies

Complementary

Open in tool →

#369ea6

#a63666 · #a67536

#36a63d · #3d36a6

Split-complementary

Open in tool →

#36a675 · #3666a6

#66a636 · #369ea6 · #7536a6

Contrast

#a63d36 as textRatioAAAA largeAAAFix
Aaon white
6.28:1passpassfail
  • AAA: use #963731 as the text (7.27:1)
Aaon black
3.34:1failpassfail
  • AA: use #c4524a as the text (4.65:1)
  • AAA: use #d37e78 as the text (7.03:1)
  • AA: or shift the background to #dbdbdb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a63d36 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

#a63d36 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a63d36
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 #a63d36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a63d36-c4a39c-62cb9f-2d261f-f1e9ed?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