Blue Hour palette
Polar Gallery
Dark anchor, working middle, light release: #8b3123, #b75d4d, #d57867, #de8d7d, #fca999 form a tetradic blue hour set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
redbluehourfive-stop
#8b3123
#b75d4d
#d57867
#de8d7d
#fca999
The generator opens with #8b3123 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.