Color

#591f0d

#591f0d
hex#591f0d
rgbrgb(89, 31, 13)
hslhsl(14, 75%, 20%)
oklchoklch(0.325 0.09 37.3)
Closest name: Evil Cigar (#522000)Relative luminance 0.0313

Colors that go with #591f0d

Crimson, Royal Blue and Sienna 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 →

#0d4759

#590d21 · #59450d

#0d591f · #1f0d59

Split-complementary

Open in tool →

#0d5945 · #0d2159

#21590d · #0d4759 · #450d59

Contrast

#591f0d as textRatioAAAA largeAAAFix
Aaon white
12.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #d2481e as the text (4.69:1)
  • AAA: use #e77755 as the text (7.17:1)
  • AA: or shift the background to #999999 (4.53:1)
  • AAA: or shift the background to #bfbfbf (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #591f0d as the background.

Brands using this color

Fonts for this mood

#591f0d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #591f0d
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 #591f0d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/591f0d-c4aa9c-62cbb1-2d291f-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