#C1C6FC · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 13/100 (fail) · Harmony 100/100 (triadic) · Distinguishable 52/100 (somewhat similar) · Match 24/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
LightPeriwinkle and White are very different (ΔE 34). They have distinctly different hues (125° apart) and their lightness is similar, so they read as two same-weight colours.
LightPeriwinkle text on White: 1.65:1 (Fail); White text on LightPeriwinkle: 1.65:1 (Fail). Neither meets AA at body size — nudging one color to #6F73A4 clears it.
Triadic — triadic — 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 1.6:1, below the 4.5:1 minimum. Nudging one colour to #6F73A4 clears AA.
Their CIE76 ΔE is about 34 — very different.
clearly different colours (ΔE 34).
Explore each color: LightPeriwinkle #C1C6FC · White #FFFFFF · Shades: LightPeriwinkle shades · White shades · Contrast checker →