Blue Hour palette
Nomad Library
Dark anchor, working middle, light release: #767bc1, #4e87bf, #1a91ae, #69a3dd, #42adcb form a tetradic blue hour set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines.
skybluehourfive-stop
#767bc1
#4e87bf
#1a91ae
#69a3dd
#42adcb
The generator opens with #767bc1 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.