Color

#a666db

#a666db
hex#a666db
rgbrgb(166, 102, 219)
hslhsl(273, 62%, 63%)
oklchoklch(0.63 0.178 307.3)
Closest name: Legendary Lavender (#9d61d4)Relative luminance 0.2272

Colors that go with #a666db

Olive Drab, Dark Goldenrod and 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 →

#9bdb66

#6c66db · #db66d5

#dba666 · #66dba6

Split-complementary

Open in tool →

#d5db66 · #66db6c

#db6c66 · #9bdb66 · #66d5db

Contrast

#a666db as textRatioAAAA largeAAAFix
Aaon white
3.79:1failpassfail
  • AA: use #9b51d6 as the text (4.62:1)
  • AAA: use #7d2dbe as the text (7.02:1)
  • AA: or shift the background to #1a1a1a (4.6:1)
Aaon black
5.54:1passpassfail
  • AAA: use #b57fe1 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 #a666db 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

#a666db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a666db
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 #a666db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a666db-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