Blue Hour palette
Cobalt Sky
The twenty minutes after sundown when the sky outshines every window in it — cobalt, then nothing else.
blueduskcalmevening
#0a1024
#152450
#25407e
#7d90c4
#e5e9f5
The generator opens with #0a1024 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.