Blue Hour palette
Pepper Mill
From #004a5b ink through #00748e, #318faa, #549db4 to #70b9d1 light, Pepper Mill is a split-complementary 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
#004a5b
#00748e
#318faa
#549db4
#70b9d1
The generator opens with #004a5b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.