Blue Hour palette
Rosewood Delta
Dark anchor, working middle, light release: #7e0f00, #b33926, #d25641, #d96f5c, #f88b77 form a tetradic blue hour set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
redbluehourfive-stophigh-contrast
#7e0f00
#b33926
#d25641
#d96f5c
#f88b77
The generator opens with #7e0f00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.