Blue Hour palette
Chambray Estuary
Dark anchor, working middle, light release: #006381, #008fb9, #38abd6, #61bade, #7ed7fd form a split-complementary 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 for large text.
cyanbluehourfive-stop
#006381
#008fb9
#38abd6
#61bade
#7ed7fd
The generator opens with #006381 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.