Blue Hour palette
Copper Harbor
From #01699f ink through #4593c9, #62afe7, #7ebeee to #aadaff light, Copper Harbor is a triadic progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#01699f
#4593c9
#62afe7
#7ebeee
#aadaff
The generator opens with #01699f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.