Color

#591d58

#591d58
hex#591d58
rgbrgb(89, 29, 88)
hslhsl(301, 51%, 23%)
oklchoklch(0.349 0.118 328.4)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0371

Colors that go with #591d58

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 →

#1d591e

#3c1d59 · #591d3a

#58591d · #1d5859

Split-complementary

Open in tool →

#3a591d · #1d593c

#593c1d · #1d591e · #1d3a59

Contrast

#591d58 as textRatioAAAA largeAAAFix
Aaon white
12.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #bd3dbb as the text (4.55:1)
  • AAA: use #d274d0 as the text (7.15:1)
  • AA: or shift the background to #9e9e9e (4.5:1)
  • AAA: or shift the background to #c7c7c7 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #591d58 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

#591d58 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #591d58
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 #591d58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/591d58-c19fbc-93cb62-2d1f27-ede9f1?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