#A287D5 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 40/100 (aa large) · Harmony 75/100 (triadic) · Distinguishable 74/100 (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 59). They have distinctly different hues (99° apart) and their lightness is different, giving a clear light/dark split.
Indigo text on White: 3.02:1 (AA Large); White text on Indigo: 3.02:1 (AA Large). Neither meets AA at body size — nudging one color to #8469B4 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 75/100). 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 #8469B4 clears AA.
Their CIE76 ΔE is about 59 — very different.
clearly different colours (ΔE 59).
Explore each color: Indigo #A287D5 · White #FFFFFF · Shades: Indigo shades · White shades · Contrast checker →