Opera palette
Linen Glade
From #004677 ink through #356ea1, #5089be, #6898c6 to #83b4e3 light, Linen Glade is a analogous 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.
skyoperafive-stop
#004677
#356ea1
#5089be
#6898c6
#83b4e3
The generator opens with #004677 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.