Color

#a66fd3

#a66fd3
hex#a66fd3
rgbrgb(166, 111, 211)
hslhsl(273, 53%, 63%)
oklchoklch(0.64 0.154 308)
Closest name: Lavender (#b56edc)Relative luminance 0.2418

Colors that go with #a66fd3

Olive Drab, Amber and Blue 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 →

#9cd36f

#746fd3 · #d36fce

#d3a66f · #6fd3a6

Split-complementary

Open in tool →

#ced36f · #6fd374

#d3746f · #9cd36f · #6fced3

Contrast

#a66fd3 as textRatioAAAA largeAAAFix
Aaon white
3.6:1failpassfail
  • AA: use #9757cb as the text (4.62:1)
  • AAA: use #7936b0 as the text (7.08:1)
  • AA: or shift the background to #1f1f1f (4.58:1)
Aaon black
5.84:1passpassfail
  • AAA: use #b282d9 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a66fd3 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

#a66fd3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a66fd3
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 #a66fd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a66fd3-b79cc4-c4cb62-2d1f2d-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