Blue Hour palette
Oyster Library
From #004774 ink through #006fb2, #308bd0, #539ad5 to #6fb6f3 light, Oyster Library is a complementary progression that holds together at any size. Use it for flower-shop wraps and delivery van livery together. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#004774
#006fb2
#308bd0
#539ad5
#6fb6f3
The generator opens with #004774 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.