#00154C · #3E0005
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 77/100 (triadic) · Distinguishable 89/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Vivid Blue and Espresso are very different (ΔE 50). They have distinctly different hues (132° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Vivid Blue text on Espresso: 1.00:1 (Fail); Espresso text on Deep Vivid Blue: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #5F82C2 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 77/100). 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 #5F82C2 clears AA.
Their CIE76 ΔE is about 50 — very different.
clearly different colours (ΔE 50).
Explore each color: Deep Vivid Blue #00154C · Espresso #3E0005 · Shades: Deep Vivid Blue shades · Espresso shades · Contrast checker →