Disco palette
River Depot
From #18397e ink through #3f62a7, #587dc4, #6d8dca to #87a9e8 light, River Depot 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 as a text pair.
skydiscofive-stophigh-contrast
#18397e
#3f62a7
#587dc4
#6d8dca
#87a9e8
The generator opens with #18397e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.