About sky-900
#024A70 is sky-900, a tailwind v4. This page shows its rgb(2, 74, 112) / hsl(200.73, 96.49%, 22.35%) / oklch(0.3907 0.0894 240.61) values, WCAG contrast against black and white, an OKLCH tint-and-shade ramp, and complementary, analogous, and triadic harmonies — all computed in perceptually-uniform OKLCH.