Blue Hour palette
Stormy Dock
Dark anchor, working middle, light release: #053f80, #3668a9, #5083c6, #6793cd, #82afeb form a tetradic blue hour set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#053f80
#3668a9
#5083c6
#6793cd
#82afeb
The generator opens with #053f80 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.