Color

#b71bc5

#b71bc5
hex#b71bc5
rgbrgb(183, 27, 197)
hslhsl(295, 76%, 44%)
oklchoklch(0.564 0.251 324.2)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1488

Colors that go with #b71bc5

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 #b71bc5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#29c51b

#621bc5 · #c51b7e

#c5b71b · #1bc5b7

Split-complementary

Open in tool →

#7ec51b · #1bc562

#c5621b · #29c51b · #1b7ec5

Contrast

#b71bc5 as textRatioAAAA largeAAAFix
Aaon white
5.28:1passpassfail
  • AAA: use #9616a2 as the text (7.16:1)
Aaon black
3.98:1failpassfail
  • AA: use #c81dd7 as the text (4.61:1)
  • AAA: use #de62ea as the text (7.04:1)
  • AA: or shift the background to #ededed (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b71bc5 as the background.

Brands using this color

Fonts for this mood

#b71bc5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b71bc5
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 #b71bc5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b71bc5-c19fbf-9dcb62-2d1f28-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