About slate-800
#1D293D is slate-800, a tailwind v4. This page shows its rgb(29, 41, 61) / hsl(217.5, 35.56%, 17.65%) / oklch(0.2799 0.0408 260.33) 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.