Blue Hour palette
Hickory Gallery
Dark anchor, working middle, light release: #6f2300, #ad3b00, #cc582a, #d36f4b, #f28b66 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 as a text pair.
orangebluehourfive-stophigh-contrast
#6f2300
#ad3b00
#cc582a
#d36f4b
#f28b66
The generator opens with #6f2300 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.