Disco palette
Silken Moor
Dark anchor, working middle, light release: #004f71, #0079aa, #3295c7, #57a3cf, #73c0ec form a tetradic disco set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skydiscofive-stop
#004f71
#0079aa
#3295c7
#57a3cf
#73c0ec
The generator opens with #004f71 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.