Color

#910d18

#910d18
hex#910d18
rgbrgb(145, 13, 24)
hslhsl(355, 84%, 31%)
oklchoklch(0.419 0.162 25.2)
Closest name: Brick Red (#8f1402)Relative luminance 0.0637

Colors that go with #910d18

Teal, Denim 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 →

#0d9186

#910d5a · #91440d

#18910d · #0d1891

Split-complementary

Open in tool →

#0d9144 · #0d5a91

#5a910d · #0d9186 · #440d91

Contrast

#910d18 as textRatioAAAA largeAAAFix
Aaon white
9.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #eb1426 as the text (4.66:1)
  • AAA: use #f26974 as the text (7.05:1)
  • AA: or shift the background to #b5b5b5 (4.5:1)
  • AAA: or shift the background to #e3e3e3 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #910d18 as the background.

Brands using this color

Fonts for this mood

#910d18 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #910d18
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 #910d18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/910d18-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