Blue Hour palette
Atlas Shrine
Dark anchor, working middle, light release: #004b73, #0074ae, #3190cb, #559ed2, #71bbf0 form a complementary 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 for large text.
skybluehourfive-stop
#004b73
#0074ae
#3190cb
#559ed2
#71bbf0
The generator opens with #004b73 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.