Color

#901dcd

#901dcd
hex#901dcd
rgbrgb(144, 29, 205)
hslhsl(279, 75%, 46%)
oklchoklch(0.515 0.243 309.1)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.1122

Colors that go with #901dcd

Denim, Olive Drab and Charcoal 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 →

#5bcd1d

#381dcd · #cd1db3

#cd901d · #1dcd90

Split-complementary

Open in tool →

#b3cd1d · #1dcd38

#cd381d · #5bcd1d · #1db3cd

Contrast

#901dcd as textRatioAAAA largeAAAFix
Aaon white
6.48:1passpassfail
  • AAA: use #861bc0 as the text (7.16:1)
Aaon black
3.24:1failpassfail
  • AA: use #aa3fe4 as the text (4.54:1)
  • AAA: use #c275eb as the text (7.04:1)
  • AA: or shift the background to #d9d9d9 (4.59:1)

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

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

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

tool url/palettes/new/901dcd-b99fc1-b9cb62-2d1f2c-ebe9f1?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