Prairie palette
Prairie Lighthouse
From #00515c ink through #007c8c, #3397a8, #57a5b3 to #74c1d0 light, Prairie Lighthouse 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.
cyanprairiefive-stop
#00515c
#007c8c
#3397a8
#57a5b3
#74c1d0
The generator opens with #00515c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.