Blue Hour palette
Chambray Ridge
Dark anchor, working middle, light release: #005792, #2e81c5, #4c9de3, #6aade9, #8fc9ff form a monochromatic blue hour set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#005792
#2e81c5
#4c9de3
#6aade9
#8fc9ff
The generator opens with #005792 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.