Color

#bb5491

#bb5491
hex#bb5491
rgbrgb(187, 84, 145)
hslhsl(324, 43%, 53%)
oklchoklch(0.594 0.15 346.1)
Closest name: Bermuda Onion (#9d5a8f)Relative luminance 0.1895

Colors that go with #bb5491

Dark Cyan, Olive Drab 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 →

#54bb7d

#b054bb · #bb545e

#91bb54 · #5491bb

Split-complementary

Open in tool →

#5ebb54 · #54bbb0

#bbb054 · #54bb7d · #545ebb

Contrast

#bb5491 as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #b9508f as the text (4.56:1)
  • AAA: use #8e396c as the text (7.11:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.79:1passpassfail
  • AAA: use #cb7cab as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb5491 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

#bb5491 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb5491
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 #bb5491 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb5491-c19faf-6bcb62-2d1f22-f0e9f1?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