Blue Hour palette
Straw Delta
Dark anchor, working middle, light release: #004f8e, #1a78ca, #3d94e8, #5ea4ec, #86c1ff form a triadic 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
#004f8e
#1a78ca
#3d94e8
#5ea4ec
#86c1ff
The generator opens with #004f8e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.