About purple-900
#59168B is purple-900, a tailwind v4. This page shows its rgb(89, 22, 139) / hsl(274.36, 72.67%, 31.57%) / oklch(0.3802 0.1761 304.78) 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.