Pastel palette
Chambray Mill
From #004580 ink through #256db5, #4288d3, #5e98d8 to #7ab5f6 light, Chambray Mill is a 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 as a text pair.
skypastelfive-stophigh-contrast
#004580
#256db5
#4288d3
#5e98d8
#7ab5f6
The generator opens with #004580 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.