Blue Hour palette
Flint Depot
Dark anchor, working middle, light release: #004b61, #007596, #3190b2, #559ebb, #71bbd9 form a analogous blue hour set with somewhere to stand at every lightness. Made for indie game interfaces with a strong day-night rhythm. The darkest and lightest stops clear AA as a text pair.
cyanbluehourfive-stophigh-contrast
#004b61
#007596
#3190b2
#559ebb
#71bbd9
The generator opens with #004b61 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.