Color

#b003d3

#b003d3
hex#b003d3
rgbrgb(176, 3, 211)
hslhsl(290, 97%, 42%)
oklchoklch(0.556 0.267 318.7)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.14

Colors that go with #b003d3

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.

Real palettes that use #b003d3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#26d303

#4803d3 · #d3038e

#d3b003 · #03d3b0

Split-complementary

Open in tool →

#8ed303 · #03d348

#d34803 · #26d303 · #038ed3

Contrast

#b003d3 as textRatioAAAA largeAAAFix
Aaon white
5.53:1passpassfail
  • AAA: use #9703b5 as the text (7.01:1)
Aaon black
3.8:1failpassfail
  • AA: use #c504ec as the text (4.6:1)
  • AAA: use #e159fc as the text (7.04:1)
  • AA: or shift the background to #e8e8e8 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b003d3 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

#b003d3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b003d3
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 #b003d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b003d3-bf9fc1-a6cb62-2d1f29-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