#91C5F4 · #B0BBF7
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 94/100 (analogous) · Distinguishable 36/100 (hard to tell apart) · Match 67/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Light Sky Blue and Light Steel Blue are a clear pair (ΔE 15). They have closely related hues (22° apart) and their lightness is similar, so they read as two same-weight colours.
Light Sky Blue text on Light Steel Blue: 1.02:1 (Fail); Light Steel Blue text on Light Sky Blue: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #1E5179 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 #1E5179 clears AA.
Their CIE76 ΔE is about 15 — a clear pair.
clearly different colours (ΔE 15).
Explore each color: Light Sky Blue #91C5F4 · Light Steel Blue #B0BBF7 · Shades: Light Sky Blue shades · Light Steel Blue shades · Contrast checker →