Blue Hour palette
Grape Depot
Dark anchor, working middle, light release: #004174, #1668af, #3783cd, #5593d2, #71aff0 form a tetradic 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.
skybluehourfive-stophigh-contrast
#004174
#1668af
#3783cd
#5593d2
#71aff0
The generator opens with #004174 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.