Color

#b81fdb

#b81fdb
hex#b81fdb
rgbrgb(184, 31, 219)
hslhsl(289, 75%, 49%)
oklchoklch(0.582 0.265 318.6)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.1628

Tints & shades

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

Harmonies

Complementary

Open in tool →

#42db1f

#5b1fdb · #db1f9f

#dbb81f · #1fdbb8

Split-complementary

Open in tool →

#9fdb1f · #1fdb5b

#db5b1f · #42db1f · #1f9fdb

Contrast

#b81fdb as textRatioAAAA largeAAAFix
Aaon white
4.93:1passpassfail
  • AAA: use #9319ae as the text (7.02:1)
Aaon black
4.26:1failpassfail
  • AA: use #bf29e0 as the text (4.61:1)
  • AAA: use #d36cea as the text (7.1:1)
  • AA: or shift the background to #f5f5f5 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b81fdb 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

#b81fdb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b81fdb
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 #b81fdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b81fdb-be9fc1-a8cb62-2d1f2a-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