Color

#540f5c

#540f5c
hex#540f5c
rgbrgb(84, 15, 92)
hslhsl(294, 72%, 21%)
oklchoklch(0.329 0.137 323.3)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.03

Colors that go with #540f5c

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 →

#175c0f

#2e0f5c · #5c0f3d

#5c540f · #0f5c54

Split-complementary

Open in tool →

#3d5c0f · #0f5c2e

#5c2e0f · #175c0f · #0f3d5c

Contrast

#540f5c as textRatioAAAA largeAAAFix
Aaon white
13.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #c523d7 as the text (4.6:1)
  • AAA: use #da6ae7 as the text (7.2:1)
  • AA: or shift the background to #999999 (4.61:1)
  • AAA: or shift the background to #bfbfbf (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #540f5c 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

#540f5c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #540f5c
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 #540f5c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/540f5c-c19fc0-9fcb62-2d1f29-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