Color

#80100a

#80100a
hex#80100a
rgbrgb(128, 16, 10)
hslhsl(3, 86%, 27%)
oklchoklch(0.385 0.146 29.2)
Closest name: maroon (#800000)Relative luminance 0.0498

Colors that go with #80100a

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 →

#0a7a80

#800a3f · #804b0a

#0a8010 · #100a80

Split-complementary

Open in tool →

#0a804b · #0a3f80

#3f800a · #0a7a80 · #4b0a80

Contrast

#80100a as textRatioAAAA largeAAAFix
Aaon white
10.52:1passpasspassPasses AAA — no fix needed.
Aaon black
2:1failfailfail
  • AA: use #e81c11 as the text (4.61:1)
  • AAA: use #f36a62 as the text (7.05:1)
  • AA: or shift the background to #ababab (4.58:1)
  • AAA: or shift the background to #d4d4d4 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #80100a 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

#80100a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #80100a
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 #80100a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/80100a-c4a39c-62cb9d-2d261f-f1e9ed?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