Color

#66054f

#66054f
hex#66054f
rgbrgb(102, 5, 79)
hslhsl(314, 91%, 21%)
oklchoklch(0.346 0.145 341.2)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.035

Colors that go with #66054f

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 →

#05661c

#4c0566 · #66051f

#506605 · #055066

Split-complementary

Open in tool →

#1f6605 · #05664c

#664c05 · #05661c · #051f66

Contrast

#66054f as textRatioAAAA largeAAAFix
Aaon white
12.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #db0aaa as the text (4.64:1)
  • AAA: use #f750d0 as the text (7.01:1)
  • AA: or shift the background to #9c9c9c (4.5:1)
  • AAA: or shift the background to #c4c4c4 (7.08:1)

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

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

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

tool url/palettes/new/66054f-c19fb5-7ccb62-2d1f24-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