Pastel palette
Myrrh Grove
From #004855 ink through #007286, #308da2, #539bac to #6fb7c9 light, Myrrh Grove is a analogous 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.
cyanpastelfive-stophigh-contrast
#004855
#007286
#308da2
#539bac
#6fb7c9
The generator opens with #004855 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.