Color

#b231c9

#b231c9
hex#b231c9
rgbrgb(178, 49, 201)
hslhsl(291, 61%, 49%)
oklchoklch(0.572 0.234 321)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1588

Colors that go with #b231c9

Forest Green, Sea Green 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 #b231c9

Tints & shades

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

Harmonies

Complementary

Open in tool →

#48c931

#6631c9 · #c93194

#c9b231 · #31c9b2

Split-complementary

Open in tool →

#94c931 · #31c966

#c96631 · #48c931 · #3194c9

Contrast

#b231c9 as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #8e27a0 as the text (7.12:1)
Aaon black
4.18:1failpassfail
  • AA: use #b93acf as the text (4.57:1)
  • AAA: use #cd73dd as the text (7.09:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b231c9 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

#b231c9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b231c9
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 #b231c9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b231c9-bf9fc1-a4cb62-2d1f29-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