#A387DE · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 39/100 (fail) · Harmony 78/100 (triadic) · Distinguishable 72/100 (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.
Indigo and White are very different (ΔE 63). They have distinctly different hues (101° apart) and their lightness is different, giving a clear light/dark split.
Indigo text on White: 2.97:1 (Fail); White text on Indigo: 2.97:1 (Fail). Neither meets AA at body size — nudging one color to #8467BC clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 78/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 3.0:1, below the 4.5:1 minimum. Nudging one colour to #8467BC clears AA.
Their CIE76 ΔE is about 63 — very different.
clearly different colours (ΔE 63).
Explore each color: Indigo #A387DE · White #FFFFFF · Shades: Indigo shades · White shades · Contrast checker →