Blue Hour palette
Gleaming Crater
From #a42b03 ink through #bc4322, #007e94, #db603f to #009cb7 light, Gleaming Crater is a tetradic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes.
redbluehourfive-stop
#a42b03
#bc4322
#007e94
#db603f
#009cb7
The generator opens with #a42b03 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.