Color

#581f09

#581f09
hex#581f09
rgbrgb(88, 31, 9)
hslhsl(17, 81%, 19%)
oklchoklch(0.323 0.09 39.7)
Closest name: Evil Cigar (#522000)Relative luminance 0.0307

Colors that go with #581f09

Crimson, Sienna and Teal 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 →

#094158

#58091a · #584709

#09581f · #1f0958

Split-complementary

Open in tool →

#095847 · #091a58

#1a5809 · #094158 · #470958

Contrast

#581f09 as textRatioAAAA largeAAAFix
Aaon white
13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #cb4915 as the text (4.5:1)
  • AAA: use #eb7242 as the text (7.02:1)
  • AA: or shift the background to #999999 (4.56:1)
  • AAA: or shift the background to #bfbfbf (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 #581f09 as the background.

Brands using this color

Fonts for this mood

#581f09 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #581f09
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 #581f09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/581f09-c4ac9c-62cbb6-2d291f-f1e9eb?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