Color

#9b66eb

#9b66eb
hex#9b66eb
rgbrgb(155, 102, 235)
hslhsl(264, 77%, 66%)
oklchoklch(0.628 0.194 299.1)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.2247

Colors that go with #9b66eb

Olive Drab, Midnight Blue and Royal Blue 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 →

#b6eb66

#6673eb · #de66eb

#eb9b66 · #66eb9b

Split-complementary

Open in tool →

#ebde66 · #73eb66

#eb6673 · #b6eb66 · #66ebde

Contrast

#9b66eb as textRatioAAAA largeAAAFix
Aaon white
3.82:1failpassfail
  • AA: use #8f53e9 as the text (4.58:1)
  • AAA: use #6c1de2 as the text (7.21:1)
  • AA: or shift the background to #1a1a1a (4.55:1)
Aaon black
5.49:1passpassfail
  • AAA: use #ad81ef as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9b66eb 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

#9b66eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #9b66eb
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 #9b66eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9b66eb-b19cc4-dfd34e-2b1f2d-e9eaf1?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