Color

#b420cb

#b420cb
hex#b420cb
rgbrgb(180, 32, 203)
hslhsl(292, 73%, 46%)
oklchoklch(0.565 0.251 321.6)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.1505

Colors that go with #b420cb

Forest Green, 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.

Real palettes that use #b420cb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#37cb20

#5e20cb · #cb208c

#cbb420 · #20cbb4

Split-complementary

Open in tool →

#8ccb20 · #20cb5e

#cb5e20 · #37cb20 · #208ccb

Contrast

#b420cb as textRatioAAAA largeAAAFix
Aaon white
5.24:1passpassfail
  • AAA: use #951aa8 as the text (7.02:1)
Aaon black
4.01:1failpassfail
  • AA: use #c422dd as the text (4.62:1)
  • AAA: use #d769e8 as the text (7.08:1)
  • AA: or shift the background to #f0f0f0 (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 #b420cb as the background.

Brands using this color

Fonts for this mood

#b420cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b420cb
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 #b420cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b420cb-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