Monochrome palette
Marble Chapel
From #00608c ink through #008bc8, #37a7e6, #60b6ec to #8ed2ff light, Marble Chapel is a split-complementary progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skymonochromefive-stop
#00608c
#008bc8
#37a7e6
#60b6ec
#8ed2ff
The generator opens with #00608c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.