Blue Hour palette
Foggy Delta
Dark anchor, working middle, light release: #005794, #3c81bf, #589ddd, #73ace3, #91c9ff form a monochromatic 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
#005794
#3c81bf
#589ddd
#73ace3
#91c9ff
The generator opens with #005794 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.