#8B6BAE · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 58/100 (aa large) · Harmony 55/100 (triadic (soft)) · Distinguishable 84/100 (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.
Dusty Indigo and White are very different (ΔE 64). They have distinctly different hues (91° apart) and their lightness is different, giving a clear light/dark split.
Dusty Indigo text on White: 4.36:1 (AA Large); White text on Dusty Indigo: 4.36:1 (AA Large). Neither meets AA at body size — nudging one color to #8869AB clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 55/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 4.4:1, below the 4.5:1 minimum. Nudging one colour to #8869AB clears AA.
Their CIE76 ΔE is about 64 — very different.
clearly different colours (ΔE 64).
Explore each color: Dusty Indigo #8B6BAE · White #FFFFFF · Shades: Dusty Indigo shades · White shades · Contrast checker →