Color

#b251db

#b251db
hex#b251db
rgbrgb(178, 81, 219)
hslhsl(282, 66%, 59%)
oklchoklch(0.615 0.212 314.4)
Closest name: mediumorchid (#ba55d3)Relative luminance 0.2046

Colors that go with #b251db

Olive Drab, 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7bdb51

#6d51db · #db51c0

#dbb251 · #51dbb2

Split-complementary

Open in tool →

#c0db51 · #51db6d

#db6d51 · #7bdb51 · #51c0db

Contrast

#b251db as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #ac45d9 as the text (4.56:1)
  • AAA: use #8724b2 as the text (7.18:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #c378e3 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b251db 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

#b251db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b251db
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 #b251db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b251db-ba9fc1-b4cb62-2d1f2b-ebe9f1?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