Blue Hour palette
Gauzy Mesa
From #004457 ink through #006e8a, #2f89a6, #5197b0 to #6db3cc light, Gauzy Mesa 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 as a text pair.
cyanbluehourfive-stophigh-contrast
#004457
#006e8a
#2f89a6
#5197b0
#6db3cc
The generator opens with #004457 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.