Blue Hour palette
Silvery Crater
Five blue hour stops with room to breathe — #00478c grounds, #006ed1 and #2f8af0 do the talking, #539bf2 softens, #7fb9ff lifts. The tetradic bones keep it coherent across museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#00478c
#006ed1
#2f8af0
#539bf2
#7fb9ff
The generator opens with #00478c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.