Color

#b507bb

#b507bb
hex#b507bb
rgbrgb(181, 7, 187)
hslhsl(298, 93%, 38%)
oklchoklch(0.548 0.251 326.6)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1356

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0dbb07

#5b07bb · #bb0767

#bbb507 · #07bbb5

Split-complementary

Open in tool →

#67bb07 · #07bb5b

#bb5b07 · #0dbb07 · #0767bb

Contrast

#b507bb as textRatioAAAA largeAAAFix
Aaon white
5.66:1passpassfail
  • AAA: use #9d06a2 as the text (7.04:1)
Aaon black
3.71:1failpassfail
  • AA: use #cd08d4 as the text (4.58:1)
  • AAA: use #f349f8 as the text (7.12:1)
  • AA: or shift the background to #e6e6e6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b507bb 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

#b507bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b507bb
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 #b507bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b507bb-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