Color

#b209dc

#b209dc
hex#b209dc
rgbrgb(178, 9, 220)
hslhsl(288, 92%, 45%)
oklchoklch(0.566 0.273 317)
Closest name: Ferocious Fuchsia (#aa00cc)Relative luminance 0.1483

Colors that go with #b209dc

Forest Green, Dark Cyan and Olive Green 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 #b209dc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#33dc09

#4909dc · #dc099d

#dcb209 · #09dcb2

Split-complementary

Open in tool →

#9ddc09 · #09dc49

#dc4909 · #33dc09 · #099ddc

Contrast

#b209dc as textRatioAAAA largeAAAFix
Aaon white
5.3:1passpassfail
  • AAA: use #9208b5 as the text (7.18:1)
Aaon black
3.97:1failpassfail
  • AA: use #c20af0 as the text (4.6:1)
  • AAA: use #da62f8 as the text (7.08:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b209dc 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

#b209dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b209dc
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 #b209dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b209dc-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