Pastel palette
Lacquered Estuary
From #0f3b95 ink through #3966bf, #5282dd, #6993e1 to #84afff light, Lacquered Estuary is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skypastelfive-stophigh-contrast
#0f3b95
#3966bf
#5282dd
#6993e1
#84afff
The generator opens with #0f3b95 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.