Blue Hour palette
Rumpled Mill
From #005262 ink through #007d95, #3398b1, #58a6bb to #75c3d8 light, Rumpled Mill 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 for large text.
cyanbluehourfive-stop
#005262
#007d95
#3398b1
#58a6bb
#75c3d8
The generator opens with #005262 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.