Blue Hour palette
Starlit Alley
Dark anchor, working middle, light release: #0068a3, #3193d8, #51b0f6, #73bffc, #aedaff 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
#0068a3
#3193d8
#51b0f6
#73bffc
#aedaff
The generator opens with #0068a3 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.