Blue Hour palette
Hazy Mill
From #005371 ink through #007da9, #3399c6, #59a7ce to #75c4ec light, Hazy Mill is a tetradic progression that holds together at any size. Use it for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#005371
#007da9
#3399c6
#59a7ce
#75c4ec
The generator opens with #005371 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.