Jewel palette
Chambray Crater
From #1d2c96 ink through #3f59c0, #5775de, #6b87e1 to #85a3ff light, Chambray Crater is a monochromatic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#1d2c96
#3f59c0
#5775de
#6b87e1
#85a3ff
The generator opens with #1d2c96 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.