#00154C · #111111
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 83/100 (split-complementary) · Distinguishable 60/100 (somewhat similar) · Match 11/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Vivid Blue and DreamlessSleep are very different (ΔE 40). They have distinctly different hues (137° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Vivid Blue text on DreamlessSleep: 1.09:1 (Fail); DreamlessSleep text on Deep Vivid Blue: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #597CBB clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 83/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #597CBB clears AA.
Their CIE76 ΔE is about 40 — very different.
clearly different colours (ΔE 40).
Explore each color: Deep Vivid Blue #00154C · DreamlessSleep #111111 · Shades: Deep Vivid Blue shades · DreamlessSleep shades · Contrast checker →