Color

#591d4d

#591d4d
hex#591d4d
rgbrgb(89, 29, 77)
hslhsl(312, 51%, 23%)
oklchoklch(0.342 0.108 336.4)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0354

Colors that go with #591d4d

Sea Green, Blue and Crimson 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 →

#1d5929

#471d59 · #591d2f

#4d591d · #1d4d59

Split-complementary

Open in tool →

#2f591d · #1d5947

#59471d · #1d5929 · #1d2f59

Contrast

#591d4d as textRatioAAAA largeAAAFix
Aaon white
12.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #c13ea7 as the text (4.51:1)
  • AAA: use #d378c1 as the text (7.23:1)
  • AA: or shift the background to #9e9e9e (4.59:1)
  • AAA: or shift the background to #c4c4c4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #591d4d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#591d4d reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #591d4d
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 #591d4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/591d4d-c19fb6-80cb62-2d1f24-efe9f1?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