Color

#c66dfd

#c66dfd
hex#c66dfd
rgbrgb(198, 109, 253)
hslhsl(277, 97%, 71%)
oklchoklch(0.695 0.214 310.5)
Closest name: Illicit Purple (#bf77f6)Relative luminance 0.3003

Colors that go with #c66dfd

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 →

#a4fd6d

#7e6dfd · #fd6dec

#fdc66d · #6dfdc6

Split-complementary

Open in tool →

#ecfd6d · #6dfd7e

#fd7e6d · #a4fd6d · #6decfd

Contrast

#c66dfd as textRatioAAAA largeAAAFix
Aaon white
3:1failfailfail
  • AA: use #ae31fc as the text (4.52:1)
  • AAA: use #8303d3 as the text (7.19:1)
  • AA: or shift the background to #2e2e2e (4.53:1)
  • AAA: or shift the background to #000000 (7.01:1)
Aaon black
7.01:1passpasspassPasses 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 #c66dfd 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

#c66dfd reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c66dfd
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 #c66dfd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c66dfd-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