Color

#b505fa

#b505fa
hex#b505fa
rgbrgb(181, 5, 250)
hslhsl(283, 96%, 50%)
oklchoklch(0.593 0.296 311.2)
Closest name: Magento (#bf3cff)Relative luminance 0.1683

Colors that go with #b505fa

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 →

#4afa05

#3a05fa · #fa05c5

#fab505 · #05fab5

Split-complementary

Open in tool →

#c5fa05 · #05fa3a

#fa3a05 · #4afa05 · #05c5fa

Contrast

#b505fa as textRatioAAAA largeAAAFix
Aaon white
4.81:1passpassfail
  • AAA: use #8d04c3 as the text (7.15:1)
Aaon black
4.37:1failpassfail
  • AA: use #b914fa as the text (4.54:1)
  • AAA: use #d269fc as the text (7.17:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b505fa 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

#b505fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b505fa
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 #b505fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b505fa-bb9fc1-b2cb62-2d1f2b-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