Color

#901fdb

#901fdb
hex#901fdb
rgbrgb(144, 31, 219)
hslhsl(276, 75%, 49%)
oklchoklch(0.527 0.254 305.7)
Closest name: blueviolet (#8a2be2)Relative luminance 0.1202

Colors that go with #901fdb

Olive Green, Charcoal and Royal Blue 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 →

#6adb1f

#321fdb · #db1fc8

#db901f · #1fdb90

Split-complementary

Open in tool →

#c8db1f · #1fdb32

#db321f · #6adb1f · #1fc8db

Contrast

#901fdb as textRatioAAAA largeAAAFix
Aaon white
6.17:1passpassfail
  • AAA: use #811cc4 as the text (7.25:1)
Aaon black
3.4:1failpassfail
  • AA: use #a444e4 as the text (4.53:1)
  • AAA: use #be79ec as the text (7.14:1)
  • AA: or shift the background to #dedede (4.58:1)

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

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

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

tool url/palettes/new/901fdb-b99cc4-bfcb62-2d1f2d-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