Frost palette
Peaty Junction
From #004658 ink through #00708b, #308ba7, #5299b1 to #6eb5ce light, Peaty Junction 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.
cyanfrostfive-stophigh-contrast
#004658
#00708b
#308ba7
#5299b1
#6eb5ce
The generator opens with #004658 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.