Blue Hour palette
Sable Delta
Dark anchor, working middle, light release: #005e7c, #0089b3, #37a5d0, #5eb3d8, #7bd0f6 form a tetradic blue hour set with somewhere to stand at every lightness. Made for bakery boxes stamped with a single ink color. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#005e7c
#0089b3
#37a5d0
#5eb3d8
#7bd0f6
The generator opens with #005e7c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.