Retro palette
Poppy Shrine
From #004a87 ink through #0072ca, #308ee8, #549fec to #7dbbff light, Poppy Shrine 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.
skyretrofive-stop
#004a87
#0072ca
#308ee8
#549fec
#7dbbff
The generator opens with #004a87 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.