#C3D8E6 · #CCD4E9
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 89/100 (analogous) · Distinguishable 8/100 (hard to tell apart) · Match 87/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Light Blue and Light Gray are very close (ΔE 6). They have closely related hues (19° apart) and their lightness is similar, so they read as two same-weight colours.
Light Blue text on Light Gray: 1.01:1 (Fail); Light Gray text on Light Blue: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #4C5E6B clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 89/100). 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 6 — very close.
close but visibly different (ΔE 5.9).
Explore each color: Light Blue #C3D8E6 · Light Gray #CCD4E9 · Shades: Light Blue shades · Light Gray shades · Contrast checker →