#B9D2F7 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 11/100 (fail) · Harmony 100/100 (split-complementary) · Distinguishable 56/100 (somewhat similar) · Match 41/100 (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 27). They have distinctly different hues (144° apart) and their lightness is similar, so they read as two same-weight colours.
Periwinkle text on White: 1.54:1 (Fail); White text on Periwinkle: 1.54:1 (Fail). Neither meets AA at body size — nudging one color to #627899 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 100/100). 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 #627899 clears AA.
Their CIE76 ΔE is about 27 — a clear pair.
clearly different colours (ΔE 27).
Explore each color: Periwinkle #B9D2F7 · White #FFFFFF · Shades: Periwinkle shades · White shades · Contrast checker →