Blue Hour palette
Blushing Dock
Five stops tuned to sit together without fighting — #004570 ink anchors the set, #7ab3e4 opens it up, and #276da2, #4488bf, #5f97c6 cross the middle in a tetradic arrangement. Blushing Dock suits book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#004570
#276da2
#4488bf
#5f97c6
#7ab3e4
The generator opens with #004570 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.