Blue Hour palette
Marble Estuary
Dark anchor, working middle, light release: #004679, #006eb9, #2f8ad7, #5299dc, #6eb6fa form a tetradic blue hour set with somewhere to stand at every lightness. Made for outdoor gear branding that reads in sun and shade. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#004679
#006eb9
#2f8ad7
#5299dc
#6eb6fa
The generator opens with #004679 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.