Monochrome palette
Atlas Clearing
From #004b5d ink through #007690, #3191ac, #559fb6 to #71bbd3 light, Atlas Clearing 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.
cyanmonochromefive-stophigh-contrast
#004b5d
#007690
#3191ac
#559fb6
#71bbd3
The generator opens with #004b5d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.