Color

#891101

#891101
hex#891101
rgbrgb(137, 17, 1)
hslhsl(7, 99%, 27%)
oklchoklch(0.404 0.155 31.3)
Closest name: darkred (#8b0000)Relative luminance 0.0572

Colors that go with #891101

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 →

#017989

#890135 · #895501

#018911 · #110189

Split-complementary

Open in tool →

#018955 · #013589

#358901 · #017989 · #550189

Contrast

#891101 as textRatioAAAA largeAAAFix
Aaon white
9.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #e91c01 as the text (4.63:1)
  • AAA: use #fe624d as the text (7.07:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (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 #891101 as the background.

Brands using this color

Fonts for this mood

#891101 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #891101
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 #891101 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/891101-c4a59c-62cba4-2d271f-f1e9ec?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