Pastel palette
Gypsy Square
From #003493 ink through #275ec5, #417ae4, #5a8ce6 to #79a9ff light, Gypsy Square is a analogous progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA as a text pair.
skypastelfive-stophigh-contrast
#003493
#275ec5
#417ae4
#5a8ce6
#79a9ff
The generator opens with #003493 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.