About mauve-600
#594C5B is mauve-600, a tailwind v4. This page shows its rgb(89, 76, 91) / hsl(292, 8.98%, 32.75%) / oklch(0.435 0.0294 321.78) 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.