Nordic palette
Midnight Bluff
From #004d5e ink through #007890, #3293ac, #56a1b6 to #72bdd3 light, Midnight Bluff is a monochromatic 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.
cyannordicfive-stop
#004d5e
#007890
#3293ac
#56a1b6
#72bdd3
The generator opens with #004d5e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.