Color

#a663cf

#a663cf
hex#a663cf
rgbrgb(166, 99, 207)
hslhsl(277, 53%, 60%)
oklchoklch(0.619 0.169 311)
Closest name: Legendary Lavender (#9d61d4)Relative luminance 0.2154

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8ccf63

#7063cf · #cf63c2

#cfa663 · #63cfa6

Split-complementary

Open in tool →

#c2cf63 · #63cf70

#cf7063 · #8ccf63 · #63c2cf

Contrast

#a663cf as textRatioAAAA largeAAAFix
Aaon white
3.96:1failpassfail
  • AA: use #9d53ca as the text (4.64:1)
  • AAA: use #7e35ac as the text (7.02:1)
  • AA: or shift the background to #171717 (4.53:1)
Aaon black
5.31:1passpassfail
  • AAA: use #b782d9 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a663cf 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

#a663cf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a663cf
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 #a663cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a663cf-b99cc4-bdcb62-2d1f2c-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