Blue Hour palette
Emerald Boulevard
Five blue hour stops with room to breathe — #005cab grounds, #996400 and #0070ce do the talking, #bc7b00 softens, #308ced lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size.
skybluehourfive-stop
#005cab
#996400
#0070ce
#bc7b00
#308ced
The generator opens with #005cab as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.