Blue Hour palette
Olive Dock
Dark anchor, working middle, light release: #004458, #006e8c, #2f89a8, #5197b1, #6db3ce form a analogous blue hour set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
cyanbluehourfive-stophigh-contrast
#004458
#006e8c
#2f89a8
#5197b1
#6db3ce
The generator opens with #004458 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.