Color

#b331c4

#b331c4
hex#b331c4
rgbrgb(179, 49, 196)
hslhsl(293, 60%, 48%)
oklchoklch(0.571 0.231 322.8)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1577

Colors that go with #b331c4

Forest Green, Dark Cyan and Olive Green 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 #b331c4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#42c431

#6931c4 · #c4318c

#c4b331 · #31c4b3

Split-complementary

Open in tool →

#8cc431 · #31c469

#c46931 · #42c431 · #318cc4

Contrast

#b331c4 as textRatioAAAA largeAAAFix
Aaon white
5.06:1passpassfail
  • AAA: use #8d279b as the text (7.25:1)
Aaon black
4.15:1failpassfail
  • AA: use #bc37cd as the text (4.57:1)
  • AAA: use #d074dc as the text (7.21:1)
  • AA: or shift the background to #f2f2f2 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b331c4 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

#b331c4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b331c4
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 #b331c4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b331c4-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