Color

#b581cf

#b581cf
hex#b581cf
rgbrgb(181, 129, 207)
hslhsl(280, 45%, 66%)
oklchoklch(0.683 0.124 313.9)
Closest name: Lavendless (#b86fc2)Relative luminance 0.3003

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9bcf81

#8e81cf · #cf81c2

#cfb581 · #81cfb5

Split-complementary

Open in tool →

#c2cf81 · #81cf8e

#cf8e81 · #9bcf81 · #81c2cf

Contrast

#b581cf as textRatioAAAA largeAAAFix
Aaon white
3:1failfailfail
  • AA: use #9d59c0 as the text (4.54:1)
  • AAA: use #7b3b9b as the text (7.14:1)
  • AA: or shift the background to #2e2e2e (4.53:1)
  • AAA: or shift the background to #000000 (7.01:1)
Aaon black
7.01:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b581cf 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

#b581cf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b581cf
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 #b581cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b581cf-b99fc1-b8cb62-2d1f2c-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