Blue Hour palette
Plum Cellar
Plum Cellar runs #004e63 through #007898, #3293b4, #56a1be to #72bedb in five measured steps, the monochromatic structure keeping every neighbor honest. Reach for it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#004e63
#007898
#3293b4
#56a1be
#72bedb
The generator opens with #004e63 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.