Color

#b518cd

#b518cd
hex#b518cd
rgbrgb(181, 24, 205)
hslhsl(292, 79%, 45%)
oklchoklch(0.565 0.257 321.5)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.1488

Colors that go with #b518cd

Forest Green, Charcoal and Denim 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 #b518cd

Tints & shades

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

Harmonies

Complementary

Open in tool →

#30cd18

#5b18cd · #cd188b

#cdb518 · #18cdb5

Split-complementary

Open in tool →

#8bcd18 · #18cd5b

#cd5b18 · #30cd18 · #188bcd

Contrast

#b518cd as textRatioAAAA largeAAAFix
Aaon white
5.28:1passpassfail
  • AAA: use #9514a9 as the text (7.12:1)
Aaon black
3.98:1failpassfail
  • AA: use #c51ae0 as the text (4.6:1)
  • AAA: use #db64ed as the text (7.06:1)
  • AA: or shift the background to #ededed (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b518cd as the background.

Brands using this color

Fonts for this mood

#b518cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b518cd
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 #b518cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b518cd-c09fc1-a3cb62-2d1f29-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