Blue Hour palette
Cobalt Oasis
From #005c7e ink through #1487b4, #3da3d1, #61b1d9 to #7ecef7 light, Cobalt Oasis is a complementary progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#005c7e
#1487b4
#3da3d1
#61b1d9
#7ecef7
The generator opens with #005c7e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.