Blue Hour palette
Lacquered Oasis
Dark anchor, working middle, light release: #005ea5, #9b6200, #0072c7, #be7a00, #308ee5 form a tetradic blue hour set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size.
skybluehourfive-stop
#005ea5
#9b6200
#0072c7
#be7a00
#308ee5
The generator opens with #005ea5 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.