Blue Hour palette
Cardamom Fen
Dark anchor, working middle, light release: #004c8e, #3275bd, #4e91db, #69a1e0, #84bdff form a monochromatic blue hour set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#004c8e
#3275bd
#4e91db
#69a1e0
#84bdff
The generator opens with #004c8e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.