Blue Hour palette
Melon Boulevard
Dark anchor, working middle, light release: #006699, #0091d7, #39aef5, #63bdfa, #a2d7ff form a monochromatic blue hour set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#006699
#0091d7
#39aef5
#63bdfa
#a2d7ff
The generator opens with #006699 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.