Frost palette
Cobalt Harbor
From #005772 ink through #2081a4, #429dc1, #63abca to #7fc8e7 light, Cobalt Harbor is a tetradic 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.
cyanfrostfive-stop
#005772
#2081a4
#429dc1
#63abca
#7fc8e7
The generator opens with #005772 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.