#47A4DA · #D0864B
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 97/100 (complementary) · Distinguishable 100/100 (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.
Cyan and Peru are very different (ΔE 85). They have near-opposite hues (175° apart) and their lightness is similar, so they read as two same-weight colours.
Cyan text on Peru: 1.06:1 (Fail); Peru text on Cyan: 1.06:1 (Fail). Neither meets AA at body size — nudging one color to #00334E clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 97/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #00334E clears AA.
Their CIE76 ΔE is about 85 — very different.
clearly different colours (ΔE 85).
Explore each color: Cyan #47A4DA · Peru #D0864B · Shades: Cyan shades · Peru shades · Contrast checker →