Nebula palette
Icy Bakery
From #004477 ink through #2b6ca7, #4787c4, #6196cb to #7cb3e9 light, Icy Bakery 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.
skynebulafive-stophigh-contrast
#004477
#2b6ca7
#4787c4
#6196cb
#7cb3e9
The generator opens with #004477 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.