Jewel palette
Sumac Moor
From #2b3e8c ink through #5068b6, #6983d4, #7c94d9 to #97b0f8 light, Sumac Moor 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.
skyjewelfive-stophigh-contrast
#2b3e8c
#5068b6
#6983d4
#7c94d9
#97b0f8
The generator opens with #2b3e8c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.