Color

#b577f3

#b577f3
hex#b577f3
rgbrgb(181, 119, 243)
hslhsl(270, 84%, 71%)
oklchoklch(0.685 0.183 305.2)
Closest name: Illicit Purple (#bf77f6)Relative luminance 0.2949

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b5f377

#7777f3 · #f377f3

#f3b577 · #77f3b5

Split-complementary

Open in tool →

#f3f377 · #77f377

#f37777 · #b5f377 · #77f3f3

Contrast

#b577f3 as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #9c48ef as the text (4.58:1)
  • AAA: use #7813dd as the text (7.15:1)
  • AA: or shift the background to #2b2b2b (4.65:1)
Aaon black
6.9:1passpassfail
  • AAA: use #b87cf4 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b577f3 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

#b577f3 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b577f3
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 #b577f3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b577f3-b59cc4-c9cb62-2c1f2d-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