#0FB4E7 · #6BA5F9
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 99/100 (analogous) · Distinguishable 42/100 (somewhat similar) · Match 39/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Sky Blue and Cornflower Blue are a clear pair (ΔE 28). They have closely related hues (21° apart) and their lightness is different, giving a clear light/dark split.
Deep Sky Blue text on Cornflower Blue: 1.04:1 (Fail); Cornflower Blue text on Deep Sky Blue: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #003F55 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 99/100). 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 #003F55 clears AA.
Their CIE76 ΔE is about 28 — a clear pair.
clearly different colours (ΔE 28).
Explore each color: Deep Sky Blue #0FB4E7 · Cornflower Blue #6BA5F9 · Shades: Deep Sky Blue shades · Cornflower Blue shades · Contrast checker →