Color

#b566fa

#b566fa
hex#b566fa
rgbrgb(181, 102, 250)
hslhsl(272, 94%, 69%)
oklchoklch(0.665 0.216 306)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.2623

Tints & shades

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

Harmonies

Complementary

Open in tool →

#abfa66

#6b66fa · #fa66f5

#fab566 · #66fab5

Split-complementary

Open in tool →

#f5fa66 · #66fa6b

#fa6b66 · #abfa66 · #66f5fa

Contrast

#b566fa as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #a23ef9 as the text (4.57:1)
  • AAA: use #7a07df as the text (7.18:1)
  • AA: or shift the background to #262626 (4.5:1)
Aaon black
6.25:1passpassfail
  • AAA: use #bc74fb as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b566fa 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

#b566fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b566fa
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 #b566fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b566fa-b69cc4-c5cb62-2d1f2d-eae9f1?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