Color

#b231dd

#b231dd
hex#b231dd
rgbrgb(178, 49, 221)
hslhsl(285, 72%, 53%)
oklchoklch(0.586 0.251 315.7)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1688

Colors that go with #b231dd

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 →

#5cdd31

#5c31dd · #dd31b2

#ddb231 · #31ddb2

Split-complementary

Open in tool →

#b2dd31 · #31dd5c

#dd5c31 · #5cdd31 · #31b2dd

Contrast

#b231dd as textRatioAAAA largeAAAFix
Aaon white
4.8:1passpassfail
  • AAA: use #8e1db4 as the text (7.04:1)
Aaon black
4.38:1failpassfail
  • AA: use #b435de as the text (4.5:1)
  • AAA: use #cb73e8 as the text (7.16:1)
  • AA: or shift the background to #fafafa (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b231dd 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

#b231dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b231dd
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 #b231dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b231dd-bc9fc1-afcb62-2d1f2b-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