Color

#b021e8

#b021e8
hex#b021e8
rgbrgb(176, 33, 232)
hslhsl(283, 81%, 52%)
oklchoklch(0.581 0.271 313.1)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1614

Colors that go with #b021e8

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 →

#5ae821

#4c21e8 · #e821bd

#e8b021 · #21e8b0

Split-complementary

Open in tool →

#bde821 · #21e84c

#e84c21 · #5ae821 · #21bde8

Contrast

#b021e8 as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #8d14bd as the text (7.08:1)
Aaon black
4.23:1failpassfail
  • AA: use #b52fe9 as the text (4.55:1)
  • AAA: use #cc70f0 as the text (7.14:1)
  • AA: or shift the background to #f5f5f5 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b021e8 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

#b021e8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b021e8
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 #b021e8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b021e8-bb9fc1-b2cb62-2d1f2b-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