Blue Hour palette
Soft Mill
Dark anchor, working middle, light release: #004b84, #0073c5, #318fe3, #559fe7, #79bcff form a tetradic 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
#004b84
#0073c5
#318fe3
#559fe7
#79bcff
The generator opens with #004b84 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.