Blue Hour palette
Quilted Square
From #0b4287 ink through #3a6bb0, #5486ce, #6b96d3 to #86b2f2 light, Quilted Square is a tetradic 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
#0b4287
#3a6bb0
#5486ce
#6b96d3
#86b2f2
The generator opens with #0b4287 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.