Blue Hour palette
Crimson Crater
From #4569a4 ink through #007399, #00787d, #318eb5 to #00959c light, Crimson Crater is a complementary progression that holds together at any size. Use it for hotel key cards and lobby signage in one system.
cyanbluehourfive-stop
#4569a4
#007399
#00787d
#318eb5
#00959c
The generator opens with #4569a4 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.