Color

#91121a

#91121a
hex#91121a
rgbrgb(145, 18, 26)
hslhsl(356, 78%, 32%)
oklchoklch(0.422 0.159 25.2)
Closest name: Brick Red (#8f1402)Relative luminance 0.0653

Colors that go with #91121a

Teal, Crimson and Denim 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 →

#129189

#91125a · #914912

#1a9112 · #121a91

Split-complementary

Open in tool →

#129149 · #125a91

#5a9112 · #129189 · #491291

Contrast

#91121a as textRatioAAAA largeAAAFix
Aaon white
9.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #e4212e as the text (4.56:1)
  • AAA: use #ed6e76 as the text (7.09:1)
  • AA: or shift the background to #b8b8b8 (4.59:1)
  • AAA: or shift the background to #e3e3e3 (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 #91121a as the background.

Brands using this color

Fonts for this mood

#91121a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #91121a
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 #91121a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/91121a-c49e9c-62cb91-2d241f-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