Color

#bb15c1

#bb15c1
hex#bb15c1
rgbrgb(187, 21, 193)
hslhsl(298, 80%, 42%)
oklchoklch(0.565 0.252 326.6)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1495

Colors that go with #bb15c1

Forest Green, Dark Cyan 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 →

#1bc115

#6515c1 · #c11571

#c1bb15 · #15c1bb

Split-complementary

Open in tool →

#71c115 · #15c165

#c16515 · #1bc115 · #1571c1

Contrast

#bb15c1 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #97119c as the text (7.3:1)
Aaon black
3.99:1failpassfail
  • AA: use #cd17d3 as the text (4.66:1)
  • AAA: use #e85aed as the text (7.12:1)
  • AA: or shift the background to #f0f0f0 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb15c1 as the background.

Brands using this color

Fonts for this mood

#bb15c1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb15c1
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 #bb15c1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb15c1-c19fbe-98cb62-2d1f28-ede9f1?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