Opera palette
Iris Loft
From #004266 ink through #0f6a9e, #3485bb, #5394c2 to #6fb0e0 light, Iris Loft 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.
skyoperafive-stophigh-contrast
#004266
#0f6a9e
#3485bb
#5394c2
#6fb0e0
The generator opens with #004266 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.