Disco palette
Kelp Abbey
From #005bbc ink through #3d87e9, #62a4ff, #80b5ff to #b2d2ff light, Kelp Abbey is a analogous 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.
skydiscofive-stop
#005bbc
#3d87e9
#62a4ff
#80b5ff
#b2d2ff
The generator opens with #005bbc as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.