Blue Hour palette
Kiln Orchard
From #004483 ink through #346dae, #4f88cb, #6798d2 to #83b4f0 light, Kiln Orchard is a monochromatic 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.
skybluehourfive-stophigh-contrast
#004483
#346dae
#4f88cb
#6798d2
#83b4f0
The generator opens with #004483 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.