Blue Hour palette
Lingering Hollow
From #004d63 ink through #007897, #3293b3, #56a1bd to #72beda light, Lingering Hollow 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 as a text pair.
cyanbluehourfive-stophigh-contrast
#004d63
#007897
#3293b3
#56a1bd
#72beda
The generator opens with #004d63 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.