#111111 · #210F43
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 69/100 (triadic (soft)) · Distinguishable 45/100 (somewhat similar) · Match 17/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
DreamlessSleep and Deep Indigo are very different (ΔE 38). They have distinctly different hues (99° apart) and their lightness is similar, so they read as two same-weight colours.
DreamlessSleep text on Deep Indigo: 1.09:1 (Fail); Deep Indigo text on DreamlessSleep: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #828282 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 69/100). 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 #828282 clears AA.
Their CIE76 ΔE is about 38 — very different.
clearly different colours (ΔE 38).
Explore each color: DreamlessSleep #111111 · Deep Indigo #210F43 · Shades: DreamlessSleep shades · Deep Indigo shades · Contrast checker →