Blue Hour palette
Mulberry Harbor
From #004778 ink through #366fa2, #518abf, #6999c7 to #84b5e4 light, Mulberry Harbor is a analogous progression that holds together at any size. Use it for indie game interfaces with a strong day-night rhythm. The darkest and lightest stops clear AA for large text.
skybluehourfive-stop
#004778
#366fa2
#518abf
#6999c7
#84b5e4
The generator opens with #004778 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.