Color

#b128fb

#b128fb
hex#b128fb
rgbrgb(177, 40, 251)
hslhsl(279, 96%, 57%)
oklchoklch(0.6 0.282 309)
Closest name: Magento (#bf3cff)Relative luminance 0.1783

Tints & shades

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

Harmonies

Complementary

Open in tool →

#72fb28

#4828fb · #fb28db

#fbb128 · #28fbb1

Split-complementary

Open in tool →

#dbfb28 · #28fb48

#fb4828 · #72fb28 · #28dbfb

Contrast

#b128fb as textRatioAAAA largeAAAFix
Aaon white
4.6:1passpassfail
  • AAA: use #8704cd as the text (7.17:1)
Aaon black
4.57:1passpassfail
  • AAA: use #ca6efc as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b128fb 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

#b128fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b128fb
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 #b128fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b128fb-b99fc1-b9cb62-2d1f2c-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