Color

#66055e

#66055e
hex#66055e
rgbrgb(102, 5, 94)
hslhsl(305, 91%, 21%)
oklchoklch(0.355 0.155 332.5)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0374

Colors that go with #66055e

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 →

#05660d

#3e0566 · #66052d

#5e6605 · #055e66

Split-complementary

Open in tool →

#2d6605 · #05663e

#663e05 · #05660d · #052d66

Contrast

#66055e as textRatioAAAA largeAAAFix
Aaon white
12.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #d10ac1 as the text (4.52:1)
  • AAA: use #f74be8 as the text (7.13:1)
  • AA: or shift the background to #a1a1a1 (4.65:1)
  • AAA: or shift the background to #c7c7c7 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66055e 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

#66055e reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #66055e
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 #66055e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66055e-c19fba-8ccb62-2d1f26-eee9f1?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