Blue Hour palette
Ivory Fen
Dark anchor, working middle, light release: #004e65, #00799a, #3294b6, #56a2c0, #73bfdd form a analogous 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.
cyanbluehourfive-stop
#004e65
#00799a
#3294b6
#56a2c0
#73bfdd
The generator opens with #004e65 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.