Color

#c66bef

#c66bef
hex#c66bef
rgbrgb(198, 107, 239)
hslhsl(281, 80%, 68%)
oklchoklch(0.684 0.203 314.1)
Closest name: Illicit Purple (#bf77f6)Relative luminance 0.2875

Colors that go with #c66bef

Medium Sea Green, Light Sea Green and Dark Goldenrod 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 →

#95ef6c

#846cef · #ef6cd7

#efc56c · #6cefc5

Split-complementary

Open in tool →

#d7ef6c · #6cef84

#ef846c · #95ef6c · #6cd7ef

Contrast

#c66bef as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #b035e9 as the text (4.63:1)
  • AAA: use #8b15c1 as the text (7.06:1)
  • AA: or shift the background to #2b2b2b (4.55:1)
Aaon black
6.75:1passpassfail
  • AAA: use #c771ef as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c66bef 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

#c66bef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c66bef
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 #c66bef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c66bef-ba9fc1-b6cb62-2d1f2c-ebe9f1?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