Blue Hour palette
Icy Cabin
From #005bb0 ink through #3185e5, #55a2ff, #75b3ff to #aacfff light, Icy Cabin is a monochromatic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#005bb0
#3185e5
#55a2ff
#75b3ff
#aacfff
The generator opens with #005bb0 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.