Color

#9b3efe

#9b3efe
hex#9b3efe
rgbrgb(155, 62, 254)
hslhsl(269, 99%, 62%)
oklchoklch(0.593 0.263 300.3)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1757

Colors that go with #9b3efe

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 →

#a1fe3e

#3e41fe · #fb3efe

#fe9b3e · #3efe9b

Split-complementary

Open in tool →

#fefb3e · #41fe3e

#fe3e41 · #a1fe3e · #3efefb

Contrast

#9b3efe as textRatioAAAA largeAAAFix
Aaon white
4.65:1passpassfail
  • AAA: use #7401ef as the text (7.02:1)
Aaon black
4.51:1passpassfail
  • AAA: use #b876fe as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9b3efe as the background.

Brands using this color

Fonts for this mood

#9b3efe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #9b3efe
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 #9b3efe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9b3efe-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