Blue Hour palette
Ashen Hollow
From #567cc6 ink through #0089ba, #008f98, #37a5d7 to #00aeb8 light, Ashen Hollow is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
skybluehourfive-stop
#567cc6
#0089ba
#008f98
#37a5d7
#00aeb8
The generator opens with #567cc6 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.