Blue Hour palette
Perennial Plaza
Five stops tuned to sit together without fighting — #003d7b ink anchors the set, #76acf0 opens it up, and #2565af, #4180cd, #5b90d2 cross the middle in a monochromatic arrangement. Perennial Plaza suits event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#003d7b
#2565af
#4180cd
#5b90d2
#76acf0
The generator opens with #003d7b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.