Color

#9c04fb

#9c04fb
hex#9c04fb
rgbrgb(156, 4, 251)
hslhsl(277, 97%, 50%)
oklchoklch(0.561 0.292 303.6)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1412

Colors that go with #9c04fb

Olive Green, Charcoal 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 →

#63fb04

#2104fb · #fb04de

#fb9c04 · #04fb9c

Split-complementary

Open in tool →

#defb04 · #04fb21

#fb2104 · #63fb04 · #04defb

Contrast

#9c04fb as textRatioAAAA largeAAAFix
Aaon white
5.49:1passpassfail
  • AAA: use #8303d3 as the text (7.19:1)
Aaon black
3.82:1failpassfail
  • AA: use #ac2cfc as the text (4.52:1)
  • AAA: use #c66dfd as the text (7.01:1)
  • AA: or shift the background to #ebebeb (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9c04fb as the background.

Brands using this color

Fonts for this mood

#9c04fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #9c04fb
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 #9c04fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9c04fb-b99cc4-bdcb62-2d1f2c-eae9f1?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