Color

#a66ce4

#a66ce4
hex#a66ce4
rgbrgb(166, 108, 228)
hslhsl(269, 69%, 66%)
oklchoklch(0.644 0.179 304.2)
Closest name: Lavender (#b56edc)Relative luminance 0.2443

Colors that go with #a66ce4

Olive Drab, Medium Sea Green and Amber 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 →

#aae46c

#6c6ee4 · #e26ce4

#e4a66c · #6ce4a6

Split-complementary

Open in tool →

#e4e26c · #6ee46c

#e46c6e · #aae46c · #6ce4e2

Contrast

#a66ce4 as textRatioAAAA largeAAAFix
Aaon white
3.57:1failpassfail
  • AA: use #9753df as the text (4.55:1)
  • AAA: use #7826cf as the text (7.05:1)
  • AA: or shift the background to #212121 (4.51:1)
Aaon black
5.89:1passpassfail
  • AAA: use #b17ee7 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a66ce4 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

#a66ce4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a66ce4
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 #a66ce4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a66ce4-b49cc4-cbcb62-2c1f2d-e9e9f1?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