Color

#bb1ff9

#bb1ff9
hex#bb1ff9
rgbrgb(187, 31, 249)
hslhsl(283, 95%, 55%)
oklchoklch(0.607 0.288 312.6)
Closest name: Magento (#bf3cff)Relative luminance 0.1838

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5df91f

#4e1ff9 · #f91fca

#f9bb1f · #1ff9bb

Split-complementary

Open in tool →

#caf91f · #1ff94e

#f94e1f · #5df91f · #1fcaf9

Contrast

#bb1ff9 as textRatioAAAA largeAAAFix
Aaon white
4.49:1failpassfail
  • AA: use #ba1af9 as the text (4.56:1)
  • AAA: use #8c05c2 as the text (7.2:1)
  • AA: or shift the background to #050505 (4.54:1)
Aaon black
4.68:1passpassfail
  • AAA: use #d26afb as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb1ff9 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

#bb1ff9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb1ff9
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 #bb1ff9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb1ff9-bb9fc1-b2cb62-2d1f2b-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