Blue Hour palette
Moonlit Glade
From #a34600 ink through #c25500, #0086ae, #e17130 to #00a4d3 light, Moonlit Glade is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
orangebluehourfive-stop
#a34600
#c25500
#0086ae
#e17130
#00a4d3
The generator opens with #a34600 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.