blue-600 — Tailwind v4.
WCAG 2.2 AA requires 4.5:1 for normal text and 3:1 for large text. Check any pair →
An 11-stop OKLCH ramp through blue-600 (the same engine as the theme builder). Click any stop to open its page.
Protanopia
Deuteranopia
Tritanopia
Achromatopsia
How blue-600 appears to viewers with each color-vision deficiency. Full simulator →
#155DFC is blue-600, a tailwind v4. This page shows its rgb(21, 93, 252) / hsl(221.3, 97.47%, 53.53%) / oklch(0.5465 0.2455 262.87) 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.