Disco palette
Sienna Cabin
From #04358f ink through #3160b9, #4a7bd7, #628cdb to #7ca9f9 light, Sienna 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 as a text pair.
skydiscofive-stophigh-contrast
#04358f
#3160b9
#4a7bd7
#628cdb
#7ca9f9
The generator opens with #04358f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.