Blue Hour palette
Sable Heath
Five blue hour stops with room to breathe — #d34c00 grounds, #6f6ae7 and #009664 do the talking, #f36a30 softens, #00b67a lifts. The split-complementary bones keep it coherent across book covers that read at thumbnail size.
bluebluehourfive-stop
#d34c00
#6f6ae7
#009664
#f36a30
#00b67a
The generator opens with #d34c00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.