#C3D8E6 · #E6CDD5
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 84/100 (split-complementary) · Distinguishable 51/100 (somewhat similar) · Match 64/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Light Blue and Light Gray are a clear pair (ΔE 17). They have distinctly different hues (137° apart) and their lightness is similar, so they read as two same-weight colours.
Light Blue text on Light Gray: 1.02:1 (Fail); Light Gray text on Light Blue: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #4C5E6B clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 84/100). 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 #4C5E6B clears AA.
Their CIE76 ΔE is about 17 — a clear pair.
clearly different colours (ΔE 17).
Explore each color: Light Blue #C3D8E6 · Light Gray #E6CDD5 · Shades: Light Blue shades · Light Gray shades · Contrast checker →