#12A4EA · #7393F5
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 100/100 (analogous) · Distinguishable 48/100 (somewhat similar) · Match 40/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Vivid Cyan and Cornflower Blue are a clear pair (ΔE 27). They have distinctly different hues (26° apart) and their lightness is different, giving a clear light/dark split.
Vivid Cyan text on Cornflower Blue: 1.04:1 (Fail); Cornflower Blue text on Vivid Cyan: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #00344F clears it.
Analogous — analogous — 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 1.0:1, below the 4.5:1 minimum. Nudging one colour to #00344F clears AA.
Their CIE76 ΔE is about 27 — a clear pair.
clearly different colours (ΔE 27).
Explore each color: Vivid Cyan #12A4EA · Cornflower Blue #7393F5 · Shades: Vivid Cyan shades · Cornflower Blue shades · Contrast checker →