Pastel palette
Sable Abbey
From #235bb6 ink through #5087e1, #6ba3ff, #87b5ff to #b6d2ff light, Sable Abbey is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skypastelfive-stop
#235bb6
#5087e1
#6ba3ff
#87b5ff
#b6d2ff
The generator opens with #235bb6 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.