Color

#bb33e1

#bb33e1
hex#bb33e1
rgbrgb(187, 51, 225)
hslhsl(287, 74%, 54%)
oklchoklch(0.602 0.255 317.5)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1837

Colors that go with #bb33e1

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 →

#59e133

#6433e1 · #e133af

#e1bb33 · #33e1bb

Split-complementary

Open in tool →

#afe133 · #33e164

#e16433 · #59e133 · #33afe1

Contrast

#bb33e1 as textRatioAAAA largeAAAFix
Aaon white
4.49:1failpassfail
  • AA: use #b92ee0 as the text (4.64:1)
  • AAA: use #911bb1 as the text (7.01:1)
  • AA: or shift the background to #050505 (4.54:1)
Aaon black
4.67:1passpassfail
  • AAA: use #d071ea as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb33e1 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

#bb33e1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb33e1
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 #bb33e1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb33e1-bd9fc1-abcb62-2d1f2a-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