Color

#901ce3

#901ce3
hex#901ce3
rgbrgb(144, 28, 227)
hslhsl(275, 78%, 50%)
oklchoklch(0.532 0.262 304.1)
Closest name: blueviolet (#8a2be2)Relative luminance 0.1231

Colors that go with #901ce3

Olive Green, Charcoal and Denim 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 →

#6fe31c

#2d1ce3 · #e31cd2

#e3901c · #1ce390

Split-complementary

Open in tool →

#d2e31c · #1ce32d

#e32d1c · #6fe31c · #1cd2e3

Contrast

#901ce3 as textRatioAAAA largeAAAFix
Aaon white
6.07:1passpassfail
  • AAA: use #8219cc as the text (7.09:1)
Aaon black
3.46:1failpassfail
  • AA: use #a445e8 as the text (4.59:1)
  • AAA: use #bc77ee as the text (7.01:1)
  • AA: or shift the background to #dedede (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #901ce3 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

#901ce3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #901ce3
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 #901ce3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/901ce3-b89cc4-c0cb62-2d1f2d-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