Blue Hour palette
Oat Library
Dark anchor, working middle, light release: #790000, #b2281d, #d24839, #d86454, #f8806f form a split-complementary blue hour set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
redbluehourfive-stophigh-contrast
#790000
#b2281d
#d24839
#d86454
#f8806f
The generator opens with #790000 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.