Color

#bb33fa

#bb33fa
hex#bb33fa
rgbrgb(187, 51, 250)
hslhsl(281, 95%, 59%)
oklchoklch(0.619 0.276 311.7)
Closest name: Magento (#bf3cff)Relative luminance 0.1983

Tints & shades

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

Harmonies

Complementary

Open in tool →

#72fa33

#5833fa · #fa33d5

#fabb33 · #33fabb

Split-complementary

Open in tool →

#d5fa33 · #33fa58

#fa5833 · #72fa33 · #33d5fa

Contrast

#bb33fa as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #b624f9 as the text (4.56:1)
  • AAA: use #8a05c7 as the text (7.17:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.97:1passpassfail
  • AAA: use #cd6afb as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bb33fa 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

#bb33fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bb33fa
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 #bb33fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bb33fa-ba9fc1-b6cb62-2d1f2c-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