Disco palette
Indigo Cellar
Five disco stops with room to breathe — #004b8a grounds, #3374b8 and #4f90d6 do the talking, #699fdc softens, #84bcfa lifts. The split-complementary bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skydiscofive-stop
#004b8a
#3374b8
#4f90d6
#699fdc
#84bcfa
The generator opens with #004b8a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.