Blue Hour palette
River Atelier
Dark anchor, working middle, light release: #da6039, #1a8fe7, #00a097, #fa7d55, #00bfb5 form a triadic blue hour set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines.
redbluehourfive-stop
#da6039
#1a8fe7
#00a097
#fa7d55
#00bfb5
The generator opens with #da6039 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.