Blue Hour palette
Atlas Harbor
Dark anchor, working middle, light release: #215f9d, #5089c7, #6ba5e5, #84b5ec, #a9d1ff form a split-complementary blue hour set with somewhere to stand at every lightness. Made for packaging that photographs well under harsh retail light. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#215f9d
#5089c7
#6ba5e5
#84b5ec
#a9d1ff
The generator opens with #215f9d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.