Blue Hour palette
River Bluff
Dark anchor, working middle, light release: #004e87, #1177c5, #3893e3, #5aa3e8, #7ebfff form a monochromatic blue hour set with somewhere to stand at every lightness. Made for dashboards where status colors must survive color-vision differences. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#004e87
#1177c5
#3893e3
#5aa3e8
#7ebfff
The generator opens with #004e87 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.