#0438DE · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 81/100 (aaa) · Harmony 90/100 (triadic) · Distinguishable 97/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Vivid Blue and White are very different (ΔE 120). They have distinctly different hues (134° apart) and their lightness is different, giving a clear light/dark split.
Vivid Blue text on White: 8.00:1 (AAA); White text on Vivid Blue: 8.00:1 (AAA). Both directions meet WCAG AA.
Triadic — triadic — a recognised, balanced pairing (harmony 90/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 8.0:1, which meets WCAG AA.
Their CIE76 ΔE is about 120 — very different.
clearly different colours (ΔE 120).
Explore each color: Vivid Blue #0438DE · White #FFFFFF · Shades: Vivid Blue shades · White shades · Contrast checker →