Blue Hour palette
Mahogany Cabin
Dark anchor, working middle, light release: #00558e, #287ec4, #479ae2, #66aae7, #8ac6ff form a tetradic blue hour set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#00558e
#287ec4
#479ae2
#66aae7
#8ac6ff
The generator opens with #00558e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.