Color

#581b13

#581b13
hex#581b13
rgbrgb(88, 27, 19)
hslhsl(7, 64%, 21%)
oklchoklch(0.318 0.092 30.3)
Closest name: Chocolate Rush (#4e1b0b)Relative luminance 0.0291

Colors that go with #581b13

Royal Blue, 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 →

#135058

#58132e · #583e13

#13581b · #1b1358

Split-complementary

Open in tool →

#13583e · #132e58

#2e5813 · #135058 · #3e1358

Contrast

#581b13 as textRatioAAAA largeAAAFix
Aaon white
13.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #d1412e as the text (4.51:1)
  • AAA: use #df7a6d as the text (7.14:1)
  • AA: or shift the background to #999999 (4.66:1)
  • AAA: or shift the background to #bdbdbd (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 #581b13 as the background.

Brands using this color

Fonts for this mood

#581b13 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #581b13
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 #581b13 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/581b13-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