Blue Hour palette
Dawn Oasis
Dark anchor, working middle, light release: #005366, #007e99, #349ab5, #59a7bf, #75c4dc 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.
cyanbluehourfive-stop
#005366
#007e99
#349ab5
#59a7bf
#75c4dc
The generator opens with #005366 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.