Color

#b11dfc

#b11dfc
hex#b11dfc
rgbrgb(177, 29, 252)
hslhsl(280, 97%, 55%)
oklchoklch(0.596 0.289 309.2)
Closest name: Magento (#bf3cff)Relative luminance 0.1725

Colors that go with #b11dfc

Olive Drab, Charcoal and Denim 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 →

#67fc1d

#421dfc · #fc1dd6

#fcb11d · #1dfcb1

Split-complementary

Open in tool →

#d6fc1d · #1dfc42

#fc421d · #67fc1d · #1dd6fc

Contrast

#b11dfc as textRatioAAAA largeAAAFix
Aaon white
4.72:1passpassfail
  • AAA: use #8a03ce as the text (7.04:1)
Aaon black
4.45:1failpassfail
  • AA: use #b322fc as the text (4.55:1)
  • AAA: use #cd6dfd as the text (7.2:1)
  • AA: or shift the background to #fafafa (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b11dfc 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

#b11dfc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b11dfc
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 #b11dfc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b11dfc-b99fc1-b8cb62-2d1f2c-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