Color

#591d56

#591d56
hex#591d56
rgbrgb(89, 29, 86)
hslhsl(303, 51%, 23%)
oklchoklch(0.347 0.116 329.8)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0367

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#1d5920

#3e1d59 · #591d38

#56591d · #1d5659

Split-complementary

Open in tool →

#38591d · #1d593e

#593e1d · #1d5920 · #1d3859

Contrast

#591d56 as textRatioAAAA largeAAAFix
Aaon white
12.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #bd3db6 as the text (4.51:1)
  • AAA: use #d274cd as the text (7.12:1)
  • AA: or shift the background to #9e9e9e (4.52:1)
  • AAA: or shift the background to #c7c7c7 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #591d56 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

#591d56 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #591d56
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #591d56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/591d56-c19fbb-8fcb62-2d1f26-eee9f1?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