Ocean palette
Polar Pavilion
From #81609d ink through #a15b45, #007e97, #607c3a to #349ab3 light, Polar Pavilion is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size.
cyanoceanfive-stop
#81609d
#a15b45
#007e97
#607c3a
#349ab3
The generator opens with #81609d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.