Blue Hour palette
Sooty Kiosk
Dark anchor, working middle, light release: #00669f, #0091df, #39aefe, #67bdff, #a8d8ff form a analogous blue hour set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#00669f
#0091df
#39aefe
#67bdff
#a8d8ff
The generator opens with #00669f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.