Blue Hour palette
River Brook
River Brook runs #006681 through #0092b8, #39aed5, #62bcde to #80dafc in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
cyanbluehourfive-stop
#006681
#0092b8
#39aed5
#62bcde
#80dafc
The generator opens with #006681 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.