Color

#cb81ee

#cb81ee
hex#cb81ee
rgbrgb(203, 129, 238)
hslhsl(281, 76%, 72%)
oklchoklch(0.721 0.169 314.1)
Closest name: Illicit Purple (#bf77f6)Relative luminance 0.3457

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a4ee81

#9581ee · #ee81da

#eecb81 · #81eecb

Split-complementary

Open in tool →

#daee81 · #81ee95

#ee9581 · #a4ee81 · #81daee

Contrast

#cb81ee as textRatioAAAA largeAAAFix
Aaon white
2.65:1failfailfail
  • AA: use #b03ee5 as the text (4.5:1)
  • AAA: use #891abc as the text (7.15:1)
  • AA: or shift the background to #363636 (4.55:1)
  • AAA: or shift the background to #121212 (7.06:1)
Aaon black
7.91:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb81ee 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

#cb81ee reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb81ee
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 #cb81ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb81ee-ba9fc1-b6cb62-2d1f2c-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