Color

#b533c7

#b533c7
hex#b533c7
rgbrgb(181, 51, 199)
hslhsl(293, 59%, 49%)
oklchoklch(0.577 0.232 322.5)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1631

Colors that go with #b533c7

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 #b533c7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#44c733

#6c33c7 · #c7338e

#c7b533 · #33c7b5

Split-complementary

Open in tool →

#8ec733 · #33c76c

#c76c33 · #44c733 · #338ec7

Contrast

#b533c7 as textRatioAAAA largeAAAFix
Aaon white
4.93:1passpassfail
  • AAA: use #90299e as the text (7.01:1)
Aaon black
4.26:1failpassfail
  • AA: use #bb38cc as the text (4.55:1)
  • AAA: use #d075db as the text (7.25:1)
  • AA: or shift the background to #f5f5f5 (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 #b533c7 as the background.

Brands using this color

Fonts for this mood

#b533c7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b533c7
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 #b533c7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b533c7-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