Blue Hour palette
Citrus Reef
Dark anchor, working middle, light release: #00486e, #0071a9, #308cc6, #539bcd, #70b8eb form a triadic blue hour set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#00486e
#0071a9
#308cc6
#539bcd
#70b8eb
The generator opens with #00486e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.