Color

#bb51db

#bb51db
hex#bb51db
rgbrgb(187, 81, 219)
hslhsl(286, 66%, 59%)
oklchoklch(0.627 0.216 317.6)
Closest name: mediumorchid (#ba55d3)Relative luminance 0.2156

Tints & shades

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

Harmonies

Complementary

Open in tool →

#72db51

#7651db · #db51b7

#dbbb51 · #51dbbb

Split-complementary

Open in tool →

#b7db51 · #51db76

#db7651 · #72db51 · #51b7db

Contrast

#bb51db as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #b33cd7 as the text (4.62:1)
  • AAA: use #8d24ae as the text (7.01:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.31:1passpassfail
  • AAA: use #c873e2 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb51db 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

#bb51db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb51db
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 #bb51db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb51db-bd9fc1-adcb62-2d1f2a-ece9f1?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