#53C8EA · #7DBDFE
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 89/100 (analogous) · Distinguishable 29/100 (hard to tell apart) · Match 49/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Sky Blue and Light Vivid Blue are a clear pair (ΔE 23). They have closely related hues (17° apart) and their lightness is similar, so they read as two same-weight colours.
Sky Blue text on Light Vivid Blue: 1.02:1 (Fail); Light Vivid Blue text on Sky Blue: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #005063 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 #005063 clears AA.
Their CIE76 ΔE is about 23 — a clear pair.
clearly different colours (ΔE 23).
Explore each color: Sky Blue #53C8EA · Light Vivid Blue #7DBDFE · Shades: Sky Blue shades · Light Vivid Blue shades · Contrast checker →