Color

#b40bb7

#b40bb7
hex#b40bb7
rgbrgb(180, 11, 183)
hslhsl(299, 89%, 38%)
oklchoklch(0.545 0.247 327.4)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1336

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0eb70b

#5e0bb7 · #b70b64

#b7b40b · #0bb7b4

Split-complementary

Open in tool →

#64b70b · #0bb75e

#b75e0b · #0eb70b · #0b64b7

Contrast

#b40bb7 as textRatioAAAA largeAAAFix
Aaon white
5.72:1passpassfail
  • AAA: use #9d099f as the text (7.06:1)
Aaon black
3.67:1failpassfail
  • AA: use #cc0ccf as the text (4.52:1)
  • AAA: use #f24df5 as the text (7.16:1)
  • AA: or shift the background to #e6e6e6 (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 #b40bb7 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

#b40bb7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b40bb7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b40bb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b40bb7-c19fbd-96cb62-2d1f27-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