Jewel palette
Perennial Dune
From #3f57cc ink through #6684f7, #89a4ff, #9fb6ff to #c7d5ff light, Perennial Dune is a tetradic progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
skyjewelfive-stop
#3f57cc
#6684f7
#89a4ff
#9fb6ff
#c7d5ff
The generator opens with #3f57cc as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.