Blue Hour palette
Violet Heath
Dark anchor, working middle, light release: #c15e3a, #3382cc, #907f00, #df7955, #509eea form a tetradic blue hour set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size.
orangebluehourfive-stop
#c15e3a
#3382cc
#907f00
#df7955
#509eea
The generator opens with #c15e3a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.