Monochrome palette
Ashen Mill
From #00507e ink through #0079bb, #3295d9, #57a4de to #74c1fd light, Ashen Mill is a tetradic 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
#00507e
#0079bb
#3295d9
#57a4de
#74c1fd
The generator opens with #00507e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.