Blue Hour palette
Tidal Prairie
Dark anchor, working middle, light release: #004876, #3170a3, #4d8bc0, #669ac8, #81b6e5 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
#004876
#3170a3
#4d8bc0
#669ac8
#81b6e5
The generator opens with #004876 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.