Color

#b781ea

#b781ea
hex#b781ea
rgbrgb(183, 129, 234)
hslhsl(271, 71%, 71%)
oklchoklch(0.698 0.157 306.5)
Closest name: Illicit Purple (#bf77f6)Relative luminance 0.3171

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b3ea81

#8281ea · #ea81e8

#eab781 · #81eab7

Split-complementary

Open in tool →

#e8ea81 · #81ea82

#ea8281 · #b3ea81 · #81e8ea

Contrast

#b781ea as textRatioAAAA largeAAAFix
Aaon white
2.86:1failfailfail
  • AA: use #9b51e1 as the text (4.51:1)
  • AAA: use #7b23cd as the text (7.08:1)
  • AA: or shift the background to #303030 (4.61:1)
  • AAA: or shift the background to #080808 (7:1)
Aaon black
7.34:1passpasspassPasses 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 #b781ea 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

#b781ea reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b781ea
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 #b781ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b781ea-b59cc4-c7cb62-2c1f2d-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