Blue Hour palette
Opal Boulevard
Dark anchor, working middle, light release: #0058a6, #1e81e5, #489eff, #6bafff, #a1ccff form a triadic 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
#0058a6
#1e81e5
#489eff
#6bafff
#a1ccff
The generator opens with #0058a6 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.