Color

#901dfc

#901dfc
hex#901dfc
rgbrgb(144, 29, 252)
hslhsl(271, 97%, 55%)
oklchoklch(0.555 0.283 299)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1384

Colors that go with #901dfc

Olive Green, Royal Blue and Teal 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 →

#89fc1d

#211dfc · #fc1df8

#fc901d · #1dfc90

Split-complementary

Open in tool →

#f8fc1d · #1dfc21

#fc211d · #89fc1d · #1df8fc

Contrast

#901dfc as textRatioAAAA largeAAAFix
Aaon white
5.57:1passpassfail
  • AAA: use #7904e7 as the text (7.04:1)
Aaon black
3.77:1failpassfail
  • AA: use #9f3bfc as the text (4.51:1)
  • AAA: use #bc77fd as the text (7.2:1)
  • AA: or shift the background to #e8e8e8 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #901dfc as the background.

Brands using this color

Fonts for this mood

#901dfc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #901dfc
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 #901dfc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/901dfc-b59cc4-c7cb62-2c1f2d-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