#E9C9EF · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 10/100 (fail) · Harmony 26/100 (clashing) · Distinguishable 42/100 (somewhat similar) · Match 39/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Periwinkle and White are a clear pair (ΔE 28). They have distinctly different hues (69° apart) and their lightness is similar, so they read as two same-weight colours.
Periwinkle text on White: 1.49:1 (Fail); White text on Periwinkle: 1.49:1 (Fail). Neither meets AA at body size — nudging one color to #8A6D8F clears it.
Clashing — awkward hue gap — tends to clash (harmony 26/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.5:1, below the 4.5:1 minimum. Nudging one colour to #8A6D8F clears AA.
Their CIE76 ΔE is about 28 — a clear pair.
clearly different colours (ΔE 28).
Explore each color: Periwinkle #E9C9EF · White #FFFFFF · Shades: Periwinkle shades · White shades · Contrast checker →