Color

#a63a30

#a63a30
hex#a63a30
rgbrgb(166, 58, 48)
hslhsl(5, 55%, 42%)
oklchoklch(0.501 0.144 28.6)
Closest name: Brick (#a03623)Relative luminance 0.1135

Colors that go with #a63a30

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 #a63a30

Tints & shades

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

Harmonies

Complementary

Open in tool →

#309ca6

#a63061 · #a67530

#30a63a · #3a30a6

Split-complementary

Open in tool →

#30a675 · #3061a6

#61a630 · #309ca6 · #7530a6

Contrast

#a63a30 as textRatioAAAA largeAAAFix
Aaon white
6.42:1passpassfail
  • AAA: use #9a362d as the text (7.14:1)
Aaon black
3.27:1failpassfail
  • AA: use #c84d41 as the text (4.59:1)
  • AAA: use #d77d75 as the text (7.08:1)
  • AA: or shift the background to #d9d9d9 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a63a30 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

#a63a30 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a63a30
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 #a63a30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a63a30-c4a49c-62cba1-2d261f-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