Color

#b301df

#b301df
hex#b301df
rgbrgb(179, 1, 223)
hslhsl(288, 99%, 44%)
oklchoklch(0.568 0.277 316.6)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.1493

Colors that go with #b301df

Forest Green, Charcoal and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2edf01

#4401df · #df019d

#dfb301 · #01dfb3

Split-complementary

Open in tool →

#9ddf01 · #01df44

#df4401 · #2edf01 · #019ddf

Contrast

#b301df as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #9201b7 as the text (7.22:1)
Aaon black
3.99:1failpassfail
  • AA: use #c301f4 as the text (4.63:1)
  • AAA: use #de5dfe as the text (7.1:1)
  • AA: or shift the background to #f0f0f0 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b301df 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

#b301df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b301df
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b301df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b301df-be9fc1-aacb62-2d1f2a-ece9f1?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