Jewel palette
Seaside Foundry
From #004976 ink through #2871a8, #458cc5, #619bcc to #7db8ea light, Seaside Foundry 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.
skyjewelfive-stop
#004976
#2871a8
#458cc5
#619bcc
#7db8ea
The generator opens with #004976 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.