Ocean palette
Dusky Plaza
From #005673 ink through #0081aa, #349dc7, #5aabcf to #77c8ed light, Dusky Plaza is a analogous progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyanoceanfive-stop
#005673
#0081aa
#349dc7
#5aabcf
#77c8ed
The generator opens with #005673 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.