Color

#b337be

#b337be
hex#b337be
rgbrgb(179, 55, 190)
hslhsl(295, 55%, 48%)
oklchoklch(0.572 0.22 324.4)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1603

Tints & shades

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

Harmonies

Complementary

Open in tool →

#42be37

#6f37be · #be3786

#beb337 · #37beb3

Split-complementary

Open in tool →

#86be37 · #37be6f

#be6f37 · #42be37 · #3786be

Contrast

#b337be as textRatioAAAA largeAAAFix
Aaon white
4.99:1passpassfail
  • AAA: use #8d2c96 as the text (7.16:1)
Aaon black
4.21:1failpassfail
  • AA: use #bb3dc7 as the text (4.61:1)
  • AAA: use #cf75d7 as the text (7.18:1)
  • AA: or shift the background to #f5f5f5 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b337be 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

#b337be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b337be
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 #b337be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b337be-c19fbf-9dcb62-2d1f28-ede9f1?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