Monochrome palette
Drowsy Ridge
From #004c7a ink through #0075b7, #3191d5, #55a0da to #72bdf9 light, Drowsy Ridge 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.
skymonochromefive-stop
#004c7a
#0075b7
#3191d5
#55a0da
#72bdf9
The generator opens with #004c7a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.