Disco palette
Pale Cellar
From #004271 ink through #006aaf, #2e85cd, #5095d2 to #6cb1f0 light, Pale Cellar is a analogous 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 as a text pair.
skydiscofive-stophigh-contrast
#004271
#006aaf
#2e85cd
#5095d2
#6cb1f0
The generator opens with #004271 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.