Blue Hour palette
Seafoam Atelier
From #004285 ink through #0068ca, #2d84e9, #5095eb to #76b2ff light, Seafoam Atelier is a split-complementary 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 as a text pair.
skybluehourfive-stophigh-contrast
#004285
#0068ca
#2d84e9
#5095eb
#76b2ff
The generator opens with #004285 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.