Color

#9b40fc

#9b40fc
hex#9b40fc
rgbrgb(155, 64, 252)
hslhsl(269, 97%, 62%)
oklchoklch(0.593 0.259 300.5)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.1766

Colors that go with #9b40fc

Royal Blue, Olive Drab and Sea 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a1fc40

#4043fc · #f940fc

#fc9b40 · #40fc9b

Split-complementary

Open in tool →

#fcf940 · #43fc40

#fc4043 · #a1fc40 · #40fcf9

Contrast

#9b40fc as textRatioAAAA largeAAAFix
Aaon white
4.63:1passpassfail
  • AAA: use #7404ec as the text (7.07:1)
Aaon black
4.53:1passpassfail
  • AAA: use #b877fd as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9b40fc as the background.

Brands using this color

Fonts for this mood

#9b40fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #9b40fc
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 #9b40fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9b40fc-b49cc4-cbcb62-2c1f2d-e9e9f1?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