Color

#a63d2b

#a63d2b
hex#a63d2b
rgbrgb(166, 61, 43)
hslhsl(9, 59%, 41%)
oklchoklch(0.504 0.142 32)
Closest name: Brick (#a03623)Relative luminance 0.1162

Colors that go with #a63d2b

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 #a63d2b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b94a6

#a62b56 · #a67b2b

#2ba63d · #3d2ba6

Split-complementary

Open in tool →

#2ba67b · #2b56a6

#56a62b · #2b94a6 · #7b2ba6

Contrast

#a63d2b as textRatioAAAA largeAAAFix
Aaon white
6.32:1passpassfail
  • AAA: use #9a3928 as the text (7.02:1)
Aaon black
3.32:1failpassfail
  • AA: use #cb4b34 as the text (4.6:1)
  • AAA: use #d97d6d as the text (7.1:1)
  • AA: or shift the background to #dbdbdb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a63d2b 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

#a63d2b reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a63d2b
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 #a63d2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a63d2b-c4a79c-62cba8-2d271f-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