Retro palette
Rustic Alley
Rustic Alley runs #004367 through #006ba2, #2e86bf, #5095c6 to #6cb1e4 in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
skyretrofive-stophigh-contrast
#004367
#006ba2
#2e86bf
#5095c6
#6cb1e4
The generator opens with #004367 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.