Blue Hour palette
Cobalt Shrine
Dark anchor, working middle, light release: #00579b, #007fdf, #349cfe, #5dacff, #97c9ff form a tetradic blue hour set with somewhere to stand at every lightness. Made for craft brewery cans lined up in a cooler door. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#00579b
#007fdf
#349cfe
#5dacff
#97c9ff
The generator opens with #00579b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.