Color

#a366cc

#a366cc
hex#a366cc
rgbrgb(163, 102, 204)
hslhsl(276, 50%, 60%)
oklchoklch(0.618 0.159 310.1)
Closest name: Amethyst (#9966cc)Relative luminance 0.2165

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8fcc66

#7066cc · #cc66c2

#cca366 · #66cca3

Split-complementary

Open in tool →

#c2cc66 · #66cc70

#cc7066 · #8fcc66 · #66c2cc

Contrast

#a366cc as textRatioAAAA largeAAAFix
Aaon white
3.94:1failpassfail
  • AA: use #9a57c7 as the text (4.6:1)
  • AAA: use #7b38a8 as the text (7.06:1)
  • AA: or shift the background to #171717 (4.55:1)
Aaon black
5.33:1passpassfail
  • AAA: use #b381d5 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a366cc 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

#a366cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a366cc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #a366cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a366cc-b99cc4-bfcb62-2d1f2d-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