Color

#540e58

#540e58
hex#540e58
rgbrgb(84, 14, 88)
hslhsl(297, 73%, 20%)
oklchoklch(0.325 0.134 325.7)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.029

Colors that go with #540e58

Denim, Forest Green 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 →

#11580e

#2f0e58 · #580e37

#58550e · #0e5855

Split-complementary

Open in tool →

#37580e · #0e582f

#582f0e · #11580e · #0e3758

Contrast

#540e58 as textRatioAAAA largeAAAFix
Aaon white
13.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #c720cf as the text (4.54:1)
  • AAA: use #e065e7 as the text (7.18:1)
  • AA: or shift the background to #999999 (4.66:1)
  • AAA: or shift the background to #bdbdbd (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #540e58 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

#540e58 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #540e58
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 #540e58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/540e58-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