Blue Hour palette
Atlas Oasis
Dark anchor, working middle, light release: #0056a1, #3b80cd, #579ceb, #72acf0, #9bc9ff form a tetradic 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
#0056a1
#3b80cd
#579ceb
#72acf0
#9bc9ff
The generator opens with #0056a1 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.