Color

#a0131e

#a0131e
hex#a0131e
rgbrgb(160, 19, 30)
hslhsl(355, 79%, 35%)
oklchoklch(0.453 0.172 24.9)
Closest name: Bleeding Crimson (#9b1414)Relative luminance 0.0803

Colors that go with #a0131e

Royal Blue, Teal and Champagne 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 →

#13a094

#a01365 · #a04d13

#1ea013 · #131ea0

Split-complementary

Open in tool →

#13a04d · #1365a0

#65a013 · #13a094 · #4d13a0

Contrast

#a0131e as textRatioAAAA largeAAAFix
Aaon white
8.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.61:1failfailfail
  • AA: use #e51f30 as the text (4.57:1)
  • AAA: use #ee6d78 as the text (7.09:1)
  • AA: or shift the background to #c2c2c2 (4.52:1)
  • AAA: or shift the background to #f0f0f0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a0131e as the background.

Brands using this color

Fonts for this mood

#a0131e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a0131e
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 #a0131e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a0131e-c49e9c-62cb8f-2d241f-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