Color

#b506ef

#b506ef
hex#b506ef
rgbrgb(181, 6, 239)
hslhsl(285, 95%, 48%)
oklchoklch(0.584 0.288 313.5)
Closest name: Magento (#bf3cff)Relative luminance 0.1619

Tints & shades

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

Harmonies

Complementary

Open in tool →

#40ef06

#4006ef · #ef06b5

#efb506 · #06efb5

Split-complementary

Open in tool →

#b5ef06 · #06ef40

#ef4006 · #40ef06 · #06b5ef

Contrast

#b506ef as textRatioAAAA largeAAAFix
Aaon white
4.96:1passpassfail
  • AAA: use #8f05bd as the text (7.18:1)
Aaon black
4.24:1failpassfail
  • AA: use #bc06f9 as the text (4.53:1)
  • AAA: use #d565fb as the text (7.08:1)
  • AA: or shift the background to #f5f5f5 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b506ef 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

#b506ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b506ef
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 #b506ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b506ef-bc9fc1-afcb62-2d1f2b-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