Blue Hour palette
Calico Bakery
From #005f7a ink through #008bb0, #37a7cd, #5fb5d6 to #7cd2f4 light, Calico Bakery is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#005f7a
#008bb0
#37a7cd
#5fb5d6
#7cd2f4
The generator opens with #005f7a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.