Color

#a03140

#a03140
hex#a03140
rgbrgb(160, 49, 64)
hslhsl(352, 53%, 41%)
oklchoklch(0.483 0.146 16.8)
Closest name: brown (#a52a2a)Relative luminance 0.1004

Colors that go with #a03140

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 #a03140

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31a091

#a03177 · #a05a31

#40a031 · #3140a0

Split-complementary

Open in tool →

#31a05a · #3177a0

#77a031 · #31a091 · #5a31a0

Contrast

#a03140 as textRatioAAAA largeAAAFix
Aaon white
6.98:1passpassfail
  • AAA: use #9c303e as the text (7.23:1)
Aaon black
3.01:1failpassfail
  • AA: use #c84c5c as the text (4.64:1)
  • AAA: use #d77e8a as the text (7.24:1)
  • AA: or shift the background to #d1d1d1 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a03140 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#a03140 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a03140
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 #a03140 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a03140-c49c9d-62cb8a-2d231f-f1e9ee?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