Blue Hour palette
Lantern Loft
From #00506d ink through #007aa5, #3396c2, #57a4ca to #74c0e8 light, Lantern Loft is a analogous progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#00506d
#007aa5
#3396c2
#57a4ca
#74c0e8
The generator opens with #00506d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.