Color

#b251cd

#b251cd
hex#b251cd
rgbrgb(178, 81, 205)
hslhsl(287, 55%, 56%)
oklchoklch(0.607 0.199 318.3)
Closest name: mediumorchid (#ba55d3)Relative luminance 0.1976

Colors that go with #b251cd

Olive Drab, 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 →

#6ccd51

#7451cd · #cd51aa

#cdb251 · #51cdb2

Split-complementary

Open in tool →

#aacd51 · #51cd74

#cd7451 · #6ccd51 · #51aacd

Contrast

#b251cd as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #ae49ca as the text (4.56:1)
  • AAA: use #892fa2 as the text (7.02:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.95:1passpassfail
  • AAA: use #c379d8 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b251cd 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

#b251cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b251cd
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 #b251cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b251cd-bd9fc1-abcb62-2d1f2a-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