Acid palette
Windy Cellar
From #742191 ink through #8939a7, #397500, #a555c4 to #499300 light, Windy Cellar is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
violetacidfive-stop
#742191
#8939a7
#397500
#a555c4
#499300
The generator opens with #742191 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.