Color

#901cd9

#901cd9
hex#901cd9
rgbrgb(144, 28, 217)
hslhsl(277, 77%, 48%)
oklchoklch(0.524 0.254 306.3)
Closest name: darkviolet (#9400d3)Relative luminance 0.1177

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#64d91c

#321cd9 · #d91cc3

#d9901c · #1cd990

Split-complementary

Open in tool →

#c3d91c · #1cd932

#d9321c · #64d91c · #1cc3d9

Contrast

#901cd9 as textRatioAAAA largeAAAFix
Aaon white
6.26:1passpassfail
  • AAA: use #841ac7 as the text (7.11:1)
Aaon black
3.35:1failpassfail
  • AA: use #a741e6 as the text (4.54:1)
  • AAA: use #c078ed as the text (7.15:1)
  • AA: or shift the background to #dbdbdb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #901cd9 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

#901cd9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #901cd9
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #901cd9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/901cd9-b99cc4-bdcb62-2d1f2c-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