#111E35 · #321414
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 93/100 (split-complementary) · Distinguishable 69/100 (somewhat similar) · Match 41/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Blue and SealBrown are a clear pair (ΔE 27). They have distinctly different hues (142° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Blue text on SealBrown: 1.01:1 (Fail); SealBrown text on Deep Blue: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #7485A1 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 93/100). 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 #7485A1 clears AA.
Their CIE76 ΔE is about 27 — a clear pair.
clearly different colours (ΔE 27).
Explore each color: Deep Blue #111E35 · SealBrown #321414 · Shades: Deep Blue shades · SealBrown shades · Contrast checker →