Color

#b211bb

#b211bb
hex#b211bb
rgbrgb(178, 17, 187)
hslhsl(297, 83%, 40%)
oklchoklch(0.546 0.247 325.6)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1345

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1abb11

#5e11bb · #bb116e

#bbb211 · #11bbb2

Split-complementary

Open in tool →

#6ebb11 · #11bb5e

#bb5e11 · #1abb11 · #116ebb

Contrast

#b211bb as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #970f9f as the text (7.28:1)
Aaon black
3.69:1failpassfail
  • AA: use #cd14d7 as the text (4.68:1)
  • AAA: use #e857ef as the text (7.04:1)
  • AA: or shift the background to #e6e6e6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b211bb 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

#b211bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b211bb
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 #b211bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b211bb-c19fbe-9acb62-2d1f28-ede9f1?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