#C7DDFF · #CAE5C2
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 92/100 (triadic) · Distinguishable 48/100 (somewhat similar) · Match 20/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Periwinkle and Pearl are very different (ΔE 36). They have distinctly different hues (110° apart) and their lightness is similar, so they read as two same-weight colours.
Periwinkle text on Pearl: 1.02:1 (Fail); Pearl text on Periwinkle: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #506381 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 92/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #506381 clears AA.
Their CIE76 ΔE is about 36 — very different.
clearly different colours (ΔE 36).
Explore each color: Periwinkle #C7DDFF · Pearl #CAE5C2 · Shades: Periwinkle shades · Pearl shades · Contrast checker →