Blue Hour palette
Larkspur Kiosk
From #004460 ink through #006d97, #2f88b3, #5196bc to #6db3d9 light, Larkspur Kiosk is a 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.
skybluehourfive-stophigh-contrast
#004460
#006d97
#2f88b3
#5196bc
#6db3d9
The generator opens with #004460 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.