Color

#66054e

#66054e
hex#66054e
rgbrgb(102, 5, 78)
hslhsl(315, 91%, 21%)
oklchoklch(0.346 0.144 341.8)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0348

Colors that go with #66054e

Sea Green, Cream 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 →

#05661d

#4e0566 · #66051d

#4e6605 · #054e66

Split-complementary

Open in tool →

#1d6605 · #05664e

#664e05 · #05661d · #051d66

Contrast

#66054e as textRatioAAAA largeAAAFix
Aaon white
12.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #db0aa7 as the text (4.61:1)
  • AAA: use #f755ce as the text (7.15:1)
  • AA: or shift the background to #9c9c9c (4.51:1)
  • AAA: or shift the background to #c4c4c4 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66054e 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

#66054e reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #66054e
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 #66054e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66054e-c19fb4-7bcb62-2d1f24-efe9f1?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