Blue Hour palette
Seafoam Dune
Dark anchor, working middle, light release: #00406e, #0067ac, #2d82c9, #4f92cf, #6baeed form a tetradic blue hour set with somewhere to stand at every lightness. Made for dashboards where status colors must survive color-vision differences. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#00406e
#0067ac
#2d82c9
#4f92cf
#6baeed
The generator opens with #00406e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.