Blue Hour palette
Silvery Marsh
Dark anchor, working middle, light release: #a81800, #c33019, #007c8e, #e35038, #009aaf form a triadic blue hour set with somewhere to stand at every lightness. Made for newsletters where the header, links, and footers share one voice.
redbluehourfive-stop
#a81800
#c33019
#007c8e
#e35038
#009aaf
The generator opens with #a81800 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.