Color

#b300ff

#b300ff
hex#b300ff
rgbrgb(179, 0, 255)
hslhsl(282, 100%, 50%)
oklchoklch(0.593 0.301 309.6)
Closest name: Magento (#bf3cff)Relative luminance 0.168

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4dff00

#3300ff · #ff00cc

#ffb300 · #00ffb3

Split-complementary

Open in tool →

#ccff00 · #00ff33

#ff3300 · #4dff00 · #00ccff

Contrast

#b300ff as textRatioAAAA largeAAAFix
Aaon white
4.82:1passpassfail
  • AAA: use #8b00c7 as the text (7.19:1)
Aaon black
4.36:1failpassfail
  • AA: use #b70fff as the text (4.53:1)
  • AAA: use #d166ff as the text (7.06:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b300ff 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

#b300ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b300ff
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 #b300ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b300ff-ba9fc1-b4cb62-2d1f2b-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