Color

#a05131

#a05131
hex#a05131
rgbrgb(160, 81, 49)
hslhsl(17, 53%, 41%)
oklchoklch(0.525 0.114 41.9)
Closest name: sienna (#a0522d)Relative luminance 0.1358

Colors that go with #a05131

Sea Green, 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3181a0

#a03149 · #a08831

#31a051 · #5131a0

Split-complementary

Open in tool →

#31a088 · #3149a0

#49a031 · #3181a0 · #8831a0

Contrast

#a05131 as textRatioAAAA largeAAAFix
Aaon white
5.65:1passpassfail
  • AAA: use #89452a as the text (7.12:1)
Aaon black
3.72:1failpassfail
  • AA: use #b75c38 as the text (4.6:1)
  • AAA: use #cf8263 as the text (7.03:1)
  • AA: or shift the background to #e6e6e6 (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 #a05131 as the background.

Brands using this color

Fonts for this mood

#a05131 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a05131
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 #a05131 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a05131-c4ac9c-62cbb6-2d291f-f1e9eb?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