Color

#b20bef

#b20bef
hex#b20bef
rgbrgb(178, 11, 239)
hslhsl(284, 91%, 49%)
oklchoklch(0.581 0.286 312.6)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.1594

Colors that go with #b20bef

Olive Drab, 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#48ef0b

#400bef · #ef0bba

#efb20b · #0befb2

Split-complementary

Open in tool →

#baef0b · #0bef40

#ef400b · #48ef0b · #0bbaef

Contrast

#b20bef as textRatioAAAA largeAAAFix
Aaon white
5.02:1passpassfail
  • AAA: use #8e09be as the text (7.16:1)
Aaon black
4.19:1failpassfail
  • AA: use #ba1af4 as the text (4.54:1)
  • AAA: use #d268f8 as the text (7.08:1)
  • AA: or shift the background to #f5f5f5 (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 #b20bef 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

#b20bef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b20bef
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 #b20bef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b20bef-bc9fc1-b1cb62-2d1f2b-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