Blue Hour palette
Iris Bluff
Five stops tuned to sit together without fighting — #864a7e ink anchors the set, #3984b8 opens it up, and #8e5310, #19699b, #277443 cross the middle in a tetradic arrangement. Iris Bluff suits book covers that read at thumbnail size.
greenbluehourfive-stop
#864a7e
#8e5310
#19699b
#277443
#3984b8
The generator opens with #864a7e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.