Blue Hour palette
Indigo Cellar
Indigo Cellar runs #004a65 through #00749b, #318fb8, #549dc0 to #71badd in five measured steps, the split-complementary 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.
cyanbluehourfive-stophigh-contrast
#004a65
#00749b
#318fb8
#549dc0
#71badd
The generator opens with #004a65 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.