Color

#81031a

#81031a
hex#81031a
rgbrgb(129, 3, 26)
hslhsl(349, 95%, 26%)
oklchoklch(0.383 0.152 21.9)
Closest name: Burgundy (#800020)Relative luminance 0.0481

Colors that go with #81031a

Teal, Crimson and Taupe 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 →

#03816a

#810359 · #812b03

#1a8103 · #031a81

Split-complementary

Open in tool →

#03812b · #035981

#598103 · #03816a · #2b0381

Contrast

#81031a as textRatioAAAA largeAAAFix
Aaon white
10.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #ea0630 as the text (4.57:1)
  • AAA: use #fb607c as the text (7.07:1)
  • AA: or shift the background to #a8a8a8 (4.5:1)
  • AAA: or shift the background to #d1d1d1 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #81031a 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

#81031a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81031a
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 #81031a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81031a-c49c9f-62cb85-2d231f-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