Frost palette
Iris Beacon
From #00637f ink through #008fb6, #38abd3, #61b9dc to #7ed7fa light, Iris Beacon 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.
cyanfrostfive-stop
#00637f
#008fb6
#38abd3
#61b9dc
#7ed7fa
The generator opens with #00637f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.