Nautical palette
Luminous Crossing
From #00505e ink through #007b8f, #3396ab, #57a4b5 to #74c1d2 light, Luminous Crossing 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
#00505e
#007b8f
#3396ab
#57a4b5
#74c1d2
The generator opens with #00505e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.