Disco palette
Seaside Caravan
Dark anchor, working middle, light release: #005178, #267aab, #4596c8, #63a4d0, #7fc1ee form a analogous 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
#005178
#267aab
#4596c8
#63a4d0
#7fc1ee
The generator opens with #005178 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.