Storm palette
Cumin Brook
From #004751 ink through #007281, #308d9c, #529aa7 to #6fb7c4 light, Cumin Brook 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 as a text pair.
cyanstormfive-stophigh-contrast
#004751
#007281
#308d9c
#529aa7
#6fb7c4
The generator opens with #004751 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.