Color

#b91dcd

#b91dcd
hex#b91dcd
rgbrgb(185, 29, 205)
hslhsl(293, 75%, 46%)
oklchoklch(0.573 0.256 322.6)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.156

Colors that go with #b91dcd

Forest Green, Dark Cyan and Charcoal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #b91dcd

Tints & shades

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

Harmonies

Complementary

Open in tool →

#32cd1d

#611dcd · #cd1d8a

#cdb91d · #1dcdb9

Split-complementary

Open in tool →

#8acd1d · #1dcd61

#cd611d · #32cd1d · #1d8acd

Contrast

#b91dcd as textRatioAAAA largeAAAFix
Aaon white
5.1:1passpassfail
  • AAA: use #9518a5 as the text (7.11:1)
Aaon black
4.12:1failpassfail
  • AA: use #c51fdb as the text (4.59:1)
  • AAA: use #da67e9 as the text (7.1:1)
  • AA: or shift the background to #f2f2f2 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b91dcd as the background.

Brands using this color

Fonts for this mood

#b91dcd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b91dcd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b91dcd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b91dcd-c19fc1-a1cb62-2d1f29-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