Blue Hour palette
Chambray Bookshop
Dark anchor, working middle, light release: #005c99, #0085db, #35a2fa, #5db2fd, #9aceff 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
#005c99
#0085db
#35a2fa
#5db2fd
#9aceff
The generator opens with #005c99 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.