Color

#901ac7

#901ac7
hex#901ac7
rgbrgb(144, 26, 199)
hslhsl(281, 77%, 44%)
oklchoklch(0.508 0.24 310.8)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.1079

Colors that go with #901ac7

Denim, Forest Green 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 →

#51c71a

#391ac7 · #c71aa7

#c7901a · #1ac790

Split-complementary

Open in tool →

#a7c71a · #1ac739

#c7391a · #51c71a · #1aa7c7

Contrast

#901ac7 as textRatioAAAA largeAAAFix
Aaon white
6.65:1passpassfail
  • AAA: use #8919be as the text (7.13:1)
Aaon black
3.16:1failpassfail
  • AA: use #b03de6 as the text (4.66:1)
  • AAA: use #c673ed as the text (7.08:1)
  • AA: or shift the background to #d6d6d6 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #901ac7 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

#901ac7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #901ac7
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 #901ac7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/901ac7-ba9fc1-b6cb62-2d1f2c-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