Color

#b40cc0

#b40cc0
hex#b40cc0
rgbrgb(180, 12, 192)
hslhsl(296, 88%, 40%)
oklchoklch(0.551 0.253 324.8)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1377

Colors that go with #b40cc0

Forest Green, Teal 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.

Real palettes that use #b40cc0

Tints & shades

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

Harmonies

Complementary

Open in tool →

#18c00c

#5a0cc0 · #c00c72

#c0b40c · #0cc0b4

Split-complementary

Open in tool →

#72c00c · #0cc05a

#c05a0c · #18c00c · #0c72c0

Contrast

#b40cc0 as textRatioAAAA largeAAAFix
Aaon white
5.59:1passpassfail
  • AAA: use #990aa3 as the text (7.18:1)
Aaon black
3.75:1failpassfail
  • AA: use #ca0ed8 as the text (4.57:1)
  • AAA: use #ea57f4 as the text (7.17:1)
  • AA: or shift the background to #e8e8e8 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b40cc0 as the background.

Brands using this color

Fonts for this mood

#b40cc0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b40cc0
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 #b40cc0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b40cc0-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