Color

#905ca3

#905ca3
hex#905ca3
rgbrgb(144, 92, 163)
hslhsl(284, 28%, 50%)
oklchoklch(0.559 0.121 316.6)
Closest name: Lusty Lavender (#8d5eb7)Relative luminance 0.1623

Colors that go with #905ca3

Charcoal, Sea Green and Teal 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 →

#6fa35c

#6c5ca3 · #a35c93

#a3905c · #5ca390

Split-complementary

Open in tool →

#93a35c · #5ca36c

#a36c5c · #6fa35c · #5c93a3

Contrast

#905ca3 as textRatioAAAA largeAAAFix
Aaon white
4.95:1passpassfail
  • AAA: use #70487f as the text (7.19:1)
Aaon black
4.25:1failpassfail
  • AA: use #9562a7 as the text (4.58:1)
  • AAA: use #af89bd as the text (7.14:1)
  • AA: or shift the background to #f5f5f5 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #905ca3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #905ca3
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 #905ca3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/905ca3-bc9fc1-b1cb62-2d1f2b-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