Blue Hour palette
Flaxen Reef
Flaxen Reef runs #003f7c through #3368a6, #4d83c3, #6593ca to #80afe8 in five measured steps, the monochromatic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skybluehourfive-stophigh-contrast
#003f7c
#3368a6
#4d83c3
#6593ca
#80afe8
The generator opens with #003f7c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.