Blue Hour palette
Moonlit Square
Five stops tuned to sit together without fighting — #ac5946 ink anchors the set, #ca7460 opens it up, and #8362aa, #667f2c, #008297 cross the middle in a analogous arrangement. Moonlit Square suits book covers that read at thumbnail size.
redbluehourfive-stop
#ac5946
#8362aa
#667f2c
#008297
#ca7460
The generator opens with #ac5946 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.