Blue Hour palette
Denim Archive
From #005b9f ink through #0684e2, #3ba1ff, #64b1ff to #9fcdff light, Denim Archive is a tetradic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#005b9f
#0684e2
#3ba1ff
#64b1ff
#9fcdff
The generator opens with #005b9f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.