About indigo-500
#6260FF is indigo-500, a tailwind v4. This page shows its rgb(98, 96, 255) / hsl(240.75, 99.98%, 68.82%) / oklch(0.5856 0.2291 277.2) 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.