Color

#a66ddf

#a66ddf
hex#a66ddf
rgbrgb(166, 109, 223)
hslhsl(270, 64%, 65%)
oklchoklch(0.643 0.171 305.2)
Closest name: Lavender (#b56edc)Relative luminance 0.2437

Colors that go with #a66ddf

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 →

#a6df6d

#6d6ddf · #df6ddf

#dfa66d · #6ddfa6

Split-complementary

Open in tool →

#dfdf6d · #6ddf6d

#df6d6d · #a6df6d · #6ddfdf

Contrast

#a66ddf as textRatioAAAA largeAAAFix
Aaon white
3.57:1failpassfail
  • AA: use #9654d9 as the text (4.6:1)
  • AAA: use #782bc5 as the text (7.12:1)
  • AA: or shift the background to #212121 (4.5:1)
Aaon black
5.87:1passpassfail
  • AAA: use #b382e3 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a66ddf 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

#a66ddf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a66ddf
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 #a66ddf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a66ddf-b59cc4-c9cb62-2c1f2d-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