Blue Hour palette
Hyacinth Square
From #003d78 ink through #2b65a7, #4680c4, #5f90ca to #7aace8 light, Hyacinth Square is a tetradic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#003d78
#2b65a7
#4680c4
#5f90ca
#7aace8
The generator opens with #003d78 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.