#ACC2D9 · #B9BDDA
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 94/100 (analogous) · Distinguishable 13/100 (hard to tell apart) · Match 84/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
CloudyBlue and Light Steel Blue are very close (ΔE 7). They have closely related hues (22° apart) and their lightness is similar, so they read as two same-weight colours.
CloudyBlue text on Light Steel Blue: 1.01:1 (Fail); Light Steel Blue text on CloudyBlue: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #3C5063 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 94/100). 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 #3C5063 clears AA.
Their CIE76 ΔE is about 7 — very close.
close but visibly different (ΔE 7.1).
Explore each color: CloudyBlue #ACC2D9 · Light Steel Blue #B9BDDA · Shades: CloudyBlue shades · Light Steel Blue shades · Contrast checker →