Color

#b11bbb

#b11bbb
hex#b11bbb
rgbrgb(177, 27, 187)
hslhsl(296, 75%, 42%)
oklchoklch(0.548 0.241 325.2)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1372

Colors that go with #b11bbb

Forest Green, Teal and Olive Green 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.

Real palettes that use #b11bbb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#25bb1b

#601bbb · #bb1b76

#bbb11b · #1bbbb1

Split-complementary

Open in tool →

#76bb1b · #1bbb60

#bb601b · #25bb1b · #1b76bb

Contrast

#b11bbb as textRatioAAAA largeAAAFix
Aaon white
5.61:1passpassfail
  • AAA: use #9717a1 as the text (7.11:1)
Aaon black
3.74:1failpassfail
  • AA: use #c61ed2 as the text (4.52:1)
  • AAA: use #e063e9 as the text (7.13:1)
  • AA: or shift the background to #e8e8e8 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b11bbb 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

#b11bbb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b11bbb
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 #b11bbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b11bbb-c19fbf-9ccb62-2d1f28-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