Blue Hour palette
Spruce Dairy
Dark anchor, working middle, light release: #004877, #0070b5, #308cd3, #539bd8, #6fb8f6 form a tetradic blue hour set with somewhere to stand at every lightness. Made for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#004877
#0070b5
#308cd3
#539bd8
#6fb8f6
The generator opens with #004877 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.