Blue Hour palette
Mustard Dock
Dark anchor, working middle, light release: #4e80c0, #008bb1, #009091, #37a7ce, #17aeb0 form a analogous blue hour set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes.
skybluehourfive-stop
#4e80c0
#008bb1
#009091
#37a7ce
#17aeb0
The generator opens with #4e80c0 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.