#1C1739 · #341100
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 90/100 (triadic) · Distinguishable 76/100 (easy to tell apart) · Match 19/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Dusty Blue and Espresso are very different (ΔE 37). They have distinctly different hues (131° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Dusty Blue text on Espresso: 1.00:1 (Fail); Espresso text on Deep Dusty Blue: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #817FA9 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 90/100). 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 #817FA9 clears AA.
Their CIE76 ΔE is about 37 — very different.
clearly different colours (ΔE 37).
Explore each color: Deep Dusty Blue #1C1739 · Espresso #341100 · Shades: Deep Dusty Blue shades · Espresso shades · Contrast checker →