Blue Hour palette
Herbal Gazebo
Dark anchor, working middle, light release: #0057a6, #3b82d3, #579ef1, #73aef6, #a1cbff form a tetradic blue hour set with somewhere to stand at every lightness. Made for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#0057a6
#3b82d3
#579ef1
#73aef6
#a1cbff
The generator opens with #0057a6 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.