Color

#8663ee

#8663ee
hex#8663ee
rgbrgb(134, 99, 238)
hslhsl(255, 80%, 66%)
oklchoklch(0.606 0.2 290.8)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.2017

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cbee63

#6386ee · #cb63ee

#ee8663 · #63ee86

Split-complementary

Open in tool →

#eecb63 · #86ee63

#ee6386 · #cbee63 · #63eecb

Contrast

#8663ee as textRatioAAAA largeAAAFix
Aaon white
4.17:1failpassfail
  • AA: use #7e5aed as the text (4.59:1)
  • AAA: use #5b2ce8 as the text (7.07:1)
  • AA: or shift the background to #0f0f0f (4.59:1)
Aaon black
5.03:1passpassfail
  • AAA: use #a288f2 as the text (7.34:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8663ee as the background.

Brands using this color

Fonts for this mood

#8663ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8663ee
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 #8663ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8663ee-ab9cc4-dfbd4e-291f2d-e9ebf1?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