Blue Hour palette
Atlas Estuary
Dark anchor, working middle, light release: #802b1c, #ab5646, #c97160, #d28576, #f0a191 form a monochromatic blue hour set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
redbluehourfive-stop
#802b1c
#ab5646
#c97160
#d28576
#f0a191
The generator opens with #802b1c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.