Blue Hour palette
Ashen Moor
From #5b85d1 ink through #0092c4, #0098a1, #39aee2 to #00b7c1 light, Ashen Moor is a complementary progression that holds together at any size. Use it for book covers that read at thumbnail size.
skybluehourfive-stop
#5b85d1
#0092c4
#0098a1
#39aee2
#00b7c1
The generator opens with #5b85d1 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.