Blue Hour palette
Prairie Pavilion
Dark anchor, working middle, light release: #00579d, #3281cf, #4f9ded, #6dadf2, #99caff form a tetradic blue hour set with somewhere to stand at every lightness. Made for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#00579d
#3281cf
#4f9ded
#6dadf2
#99caff
The generator opens with #00579d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.