#0C1C30 · #112009
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 97/100 (triadic) · Distinguishable 45/100 (somewhat similar) · Match 34/100 (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 a clear pair (ΔE 30). They have distinctly different hues (114° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Blue text on Deep Green: 1.01:1 (Fail); Deep Green text on Deep Blue: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #71859F clears it.
Triadic — triadic — 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 #71859F clears AA.
Their CIE76 ΔE is about 30 — a clear pair.
clearly different colours (ΔE 30).
Explore each color: Deep Blue #0C1C30 · Deep Green #112009 · Shades: Deep Blue shades · Deep Green shades · Contrast checker →