#E11C48 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 62/100 (aa) · Harmony 82/100 (monochrome) · Distinguishable 100/100 (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.
Crimson and White are very different (ΔE 93). They have closely related hues (13° apart) and their lightness is different, giving a clear light/dark split.
Crimson text on White: 4.71:1 (AA); White text on Crimson: 4.71:1 (AA). Both directions meet WCAG AA.
Monochrome — monochrome — a recognised, balanced pairing (harmony 82/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 4.7:1, which meets WCAG AA.
Their CIE76 ΔE is about 93 — very different.
clearly different colours (ΔE 93).
Explore each color: Crimson #E11C48 · White #FFFFFF · Shades: Crimson shades · White shades · Contrast checker →