About cyan-700
#007491 is cyan-700, a tailwind v4. This page shows its rgb(0, 116, 145) / hsl(192.01, 99.72%, 28.47%) / oklch(0.5188 0.0967 223.13) 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.