#071D3B · #0D2403
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 84/100 (triadic) · Distinguishable 53/100 (somewhat similar) · Match 5/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Blue and Deep Green are very different (ΔE 43). They have distinctly different hues (113° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Blue text on Deep Green: 1.02:1 (Fail); Deep Green text on Deep Blue: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #6D87AD clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 84/100). 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 #6D87AD clears AA.
Their CIE76 ΔE is about 43 — very different.
clearly different colours (ΔE 43).
Explore each color: Deep Blue #071D3B · Deep Green #0D2403 · Shades: Deep Blue shades · Deep Green shades · Contrast checker →