Color

#581f5b

#581f5b
hex#581f5b
rgbrgb(88, 31, 91)
hslhsl(297, 49%, 24%)
oklchoklch(0.351 0.117 325.7)
Closest name: Elegant Purple Gown (#552367)Relative luminance 0.0381

Colors that go with #581f5b

Sea Green, Crimson and Denim 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 →

#225b1f

#3a1f5b · #5b1f40

#5b581f · #1f5b58

Split-complementary

Open in tool →

#405b1f · #1f5b3a

#5b3a1f · #225b1f · #1f405b

Contrast

#581f5b as textRatioAAAA largeAAAFix
Aaon white
11.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #b841be as the text (4.54:1)
  • AAA: use #cc76d0 as the text (7.07:1)
  • AA: or shift the background to #a1a1a1 (4.61:1)
  • AAA: or shift the background to #c7c7c7 (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 #581f5b 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

#581f5b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #581f5b
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 #581f5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/581f5b-c19fbe-9acb62-2d1f28-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