Disco palette
Umber Reef
From #004779 ink through #166fb3, #398bd1, #589ad6 to #74b6f4 light, Umber Reef is a complementary progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
skydiscofive-stop
#004779
#166fb3
#398bd1
#589ad6
#74b6f4
The generator opens with #004779 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.