Blue Hour palette
Jasmine Garret
From #4e6da8 ink through #1d779e, #007d85, #3f92bb to #1f9aa2 light, Jasmine Garret is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
cyanbluehourfive-stop
#4e6da8
#1d779e
#007d85
#3f92bb
#1f9aa2
The generator opens with #4e6da8 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.