Color

#b33fe9

#b33fe9
hex#b33fe9
rgbrgb(179, 63, 233)
hslhsl(281, 79%, 58%)
oklchoklch(0.607 0.248 312.5)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1902

Colors that go with #b33fe9

Olive Drab, 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#75e93f

#5e3fe9 · #e93fc9

#e9b33f · #3fe9b3

Split-complementary

Open in tool →

#c9e93f · #3fe95e

#e95e3f · #75e93f · #3fc9e9

Contrast

#b33fe9 as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #b13be8 as the text (4.51:1)
  • AAA: use #8a16c0 as the text (7.1:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.8:1passpassfail
  • AAA: use #c772ee as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b33fe9 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

#b33fe9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b33fe9
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 #b33fe9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b33fe9-ba9fc1-b6cb62-2d1f2c-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