Blue Hour palette
Gloaming Glade
From #004981 ink through #2c72b3, #498dd1, #649dd7 to #7fb9f5 light, Gloaming Glade 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 for large text.
skybluehourfive-stop
#004981
#2c72b3
#498dd1
#649dd7
#7fb9f5
The generator opens with #004981 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.