Nautical palette
Dappled Marsh
From #006980 ink through #2895b1, #4bb1ce, #6ebfd8 to #8bddf6 light, Dappled Marsh is a analogous progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyannauticalfive-stop
#006980
#2895b1
#4bb1ce
#6ebfd8
#8bddf6
The generator opens with #006980 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.