Color

#a63b36

#a63b36
hex#a63b36
rgbrgb(166, 59, 54)
hslhsl(3, 51%, 43%)
oklchoklch(0.503 0.142 26.2)
Closest name: Brick (#a03623)Relative luminance 0.115

Colors that go with #a63b36

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 #a63b36

Tints & shades

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

Harmonies

Complementary

Open in tool →

#36a0a6

#a63668 · #a67336

#36a63b · #3b36a6

Split-complementary

Open in tool →

#36a673 · #3668a6

#68a636 · #36a0a6 · #7336a6

Contrast

#a63b36 as textRatioAAAA largeAAAFix
Aaon white
6.36:1passpassfail
  • AAA: use #9a3732 as the text (7.08:1)
Aaon black
3.3:1failpassfail
  • AA: use #c4504a as the text (4.59:1)
  • AAA: use #d5817c as the text (7.26:1)
  • AA: or shift the background to #d9d9d9 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a63b36 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

#a63b36 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a63b36
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 #a63b36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a63b36-c4a39c-62cb9d-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