Color

#b581df

#b581df
hex#b581df
rgbrgb(181, 129, 223)
hslhsl(273, 59%, 69%)
oklchoklch(0.691 0.144 308.5)
Closest name: Lavender (#b56edc)Relative luminance 0.3085

Tints & shades

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

Harmonies

Complementary

Open in tool →

#abdf81

#8681df · #df81da

#dfb581 · #81dfb5

Split-complementary

Open in tool →

#dadf81 · #81df86

#df8681 · #abdf81 · #81dadf

Contrast

#b581df as textRatioAAAA largeAAAFix
Aaon white
2.93:1failfailfail
  • AA: use #9a55d3 as the text (4.55:1)
  • AAA: use #7c30bb as the text (7.01:1)
  • AA: or shift the background to #303030 (4.51:1)
  • AAA: or shift the background to #030303 (7.04:1)
Aaon black
7.17:1passpasspassPasses 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 #b581df 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

#b581df reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b581df
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 #b581df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b581df-b79cc4-c4cb62-2d1f2d-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