Daylight palette
Umber Alley
From #00647c ink through #0090b1, #38acce, #61bad7 to #7fd7f5 light, Umber Alley is a triadic 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.
cyandaylightfive-stop
#00647c
#0090b1
#38acce
#61bad7
#7fd7f5
The generator opens with #00647c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.