Blue Hour palette
Foxglove Bookshop
Dark anchor, working middle, light release: #004884, #2f71b4, #4b8cd2, #659cd8, #81b9f6 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 as a text pair.
skybluehourfive-stophigh-contrast
#004884
#2f71b4
#4b8cd2
#659cd8
#81b9f6
The generator opens with #004884 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.