#7EBEFC · #A8B1FE
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 97/100 (analogous) · Distinguishable 43/100 (somewhat similar) · Match 60/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Light Sky Blue and Light Vivid Blue are a clear pair (ΔE 18). They have closely related hues (24° apart) and their lightness is similar, so they read as two same-weight colours.
Light Sky Blue text on Light Vivid Blue: 1.03:1 (Fail); Light Vivid Blue text on Light Sky Blue: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #004A81 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 97/100). 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 #004A81 clears AA.
Their CIE76 ΔE is about 18 — a clear pair.
clearly different colours (ΔE 18).
Explore each color: Light Sky Blue #7EBEFC · Light Vivid Blue #A8B1FE · Shades: Light Sky Blue shades · Light Vivid Blue shades · Contrast checker →