Color

#b663ee

#b663ee
hex#b663ee
rgbrgb(182, 99, 238)
hslhsl(276, 80%, 66%)
oklchoklch(0.655 0.208 309.4)
Closest name: Lavender (#b56edc)Relative luminance 0.2504

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9aee63

#7163ee · #ee63e0

#eeb663 · #63eeb6

Split-complementary

Open in tool →

#e0ee63 · #63ee71

#ee7163 · #9aee63 · #63e0ee

Contrast

#b663ee as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #a743ea as the text (4.53:1)
  • AAA: use #8216ca as the text (7.2:1)
  • AA: or shift the background to #212121 (4.61:1)
Aaon black
6.01:1passpassfail
  • AAA: use #bf75f0 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 #b663ee as the background.

Brands using this color

Fonts for this mood

#b663ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b663ee
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 #b663ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b663ee-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