Blue Hour palette
Sorrel Bookshop
Dark anchor, working middle, light release: #005a6c, #00869f, #36a2bb, #5cb0c5, #79cce3 form a complementary blue hour set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#005a6c
#00869f
#36a2bb
#5cb0c5
#79cce3
The generator opens with #005a6c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.