Storybook palette
Oaken Estuary
Dark anchor, working middle, light release: #004c5d, #00778f, #3292ab, #55a0b5, #72bcd2 form a split-complementary storybook set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanstorybookfive-stop
#004c5d
#00778f
#3292ab
#55a0b5
#72bcd2
The generator opens with #004c5d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.