Blue Hour palette
Halcyon Alley
Halcyon Alley runs #0055a4 through #3980d2, #559cf0, #71acf5 to #9ec9ff in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for craft brewery cans lined up in a cooler door. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#0055a4
#3980d2
#559cf0
#71acf5
#9ec9ff
The generator opens with #0055a4 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.