Color

#a366c7

#a366c7
hex#a366c7
rgbrgb(163, 102, 199)
hslhsl(278, 46%, 59%)
oklchoklch(0.616 0.153 311.7)
Closest name: Amethyst (#9966cc)Relative luminance 0.2141

Colors that go with #a366c7

Taupe, Olive Drab and Charcoal 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 →

#8ac766

#7366c7 · #c766ba

#c7a366 · #66c7a3

Split-complementary

Open in tool →

#bac766 · #66c773

#c77366 · #8ac766 · #66bac7

Contrast

#a366c7 as textRatioAAAA largeAAAFix
Aaon white
3.98:1failpassfail
  • AA: use #9a57c1 as the text (4.66:1)
  • AAA: use #7b3ba0 as the text (7.06:1)
  • AA: or shift the background to #171717 (4.51:1)
Aaon black
5.28:1passpassfail
  • AAA: use #b584d2 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a366c7 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

#a366c7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a366c7
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 #a366c7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a366c7-ba9cc4-bbcb62-2d1f2c-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