Blue Hour palette
Cranberry Ridge
From #104f92 ink through #4179bc, #5c95da, #74a4e0 to #90c1fe light, Cranberry Ridge 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 for large text.
skybluehourfive-stop
#104f92
#4179bc
#5c95da
#74a4e0
#90c1fe
The generator opens with #104f92 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.