Color

#b331b9

#b331b9
hex#b331b9
rgbrgb(179, 49, 185)
hslhsl(297, 58%, 46%)
oklchoklch(0.564 0.222 326.1)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1528

Colors that go with #b331b9

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#38b931

#6e31b9 · #b9317c

#b9b331 · #31b9b3

Split-complementary

Open in tool →

#7cb931 · #31b96e

#b96e31 · #38b931 · #317cb9

Contrast

#b331b9 as textRatioAAAA largeAAAFix
Aaon white
5.18:1passpassfail
  • AAA: use #902895 as the text (7.18:1)
Aaon black
4.06:1failpassfail
  • AA: use #c236c9 as the text (4.66:1)
  • AAA: use #d472da as the text (7.22:1)
  • AA: or shift the background to #f0f0f0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b331b9 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

#b331b9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b331b9
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 #b331b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b331b9-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