Blue Hour palette
Rosy Fjord
From #00536b ink through #007ea1, #349abe, #59a8c7 to #76c4e4 light, Rosy Fjord 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.
cyanbluehourfive-stop
#00536b
#007ea1
#349abe
#59a8c7
#76c4e4
The generator opens with #00536b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.