Color

#c66dfe

#c66dfe
hex#c66dfe
rgbrgb(198, 109, 254)
hslhsl(277, 99%, 71%)
oklchoklch(0.695 0.215 310.3)
Closest name: Illicit Purple (#bf77f6)Relative luminance 0.301

Colors that go with #c66dfe

Medium Sea Green, Medium Slate Blue and Light Sea Green 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 →

#a4fe6c

#7d6cfe · #fe6ced

#fec66c · #6cfec6

Split-complementary

Open in tool →

#edfe6c · #6cfe7d

#fe7d6c · #a4fe6c · #6cedfe

Contrast

#c66dfe as textRatioAAAA largeAAAFix
Aaon white
2.99:1failfailfail
  • AA: use #af2ffe as the text (4.51:1)
  • AAA: use #8401d5 as the text (7.13:1)
  • AA: or shift the background to #2e2e2e (4.54:1)
  • AAA: or shift the background to #000000 (7.02:1)
Aaon black
7.02:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c66dfe 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

#c66dfe reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c66dfe
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 #c66dfe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c66dfe-b99cc4-bdcb62-2d1f2c-eae9f1?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