#6700CF · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 82/100 (aaa) · Harmony 52/100 (triadic (soft)) · Distinguishable 94/100 (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 Indigo and White are very different (ΔE 126). They have distinctly different hues (90° apart) and their lightness is different, giving a clear light/dark split.
Vivid Indigo text on White: 8.48:1 (AAA); White text on Vivid Indigo: 8.48:1 (AAA). Both directions meet WCAG AA.
Triadic (soft) — workable but not a textbook harmony (harmony 52/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 8.5:1, which meets WCAG AA.
Their CIE76 ΔE is about 126 — very different.
clearly different colours (ΔE 126).
Explore each color: Vivid Indigo #6700CF · White #FFFFFF · Shades: Vivid Indigo shades · White shades · Contrast checker →