Color

#b506ea

#b506ea
hex#b506ea
rgbrgb(181, 6, 234)
hslhsl(286, 95%, 47%)
oklchoklch(0.581 0.284 314.6)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.1589

Colors that go with #b506ea

Olive Drab, Charcoal and Dark Cyan 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 →

#3bea06

#4306ea · #ea06ad

#eab506 · #06eab5

Split-complementary

Open in tool →

#adea06 · #06ea43

#ea4306 · #3bea06 · #06adea

Contrast

#b506ea as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #9205bd as the text (7.05:1)
Aaon black
4.18:1failpassfail
  • AA: use #c006f9 as the text (4.64:1)
  • AAA: use #d865fb as the text (7.17:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b506ea 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

#b506ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b506ea
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 #b506ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b506ea-bd9fc1-adcb62-2d1f2a-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