Color

#bb3cfb

#bb3cfb
hex#bb3cfb
rgbrgb(187, 60, 251)
hslhsl(280, 96%, 61%)
oklchoklch(0.627 0.269 311.1)
Closest name: Magento (#bf3cff)Relative luminance 0.2076

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7cfb3c

#5c3cfb · #fb3cdb

#fbbb3c · #3cfbbb

Split-complementary

Open in tool →

#dbfb3c · #3cfb5c

#fb5c3c · #7cfb3c · #3cdbfb

Contrast

#bb3cfb as textRatioAAAA largeAAAFix
Aaon white
4.08:1failpassfail
  • AA: use #b428fb as the text (4.53:1)
  • AAA: use #8a04cd as the text (7.05:1)
  • AA: or shift the background to #141414 (4.52:1)
Aaon black
5.15:1passpassfail
  • AAA: use #cd6efc as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb3cfb 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

#bb3cfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb3cfb
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 #bb3cfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb3cfb-b99fc1-b8cb62-2d1f2c-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