#661B00 Hex Color
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The dark red hex code #661b00 has low lightness, strong saturation, and warm brown undertones. It creates a serious, mysterious mood with energy and depth. Use it as a dominant background for wine, luxury, sports, or autumn branding, paired with cream or muted gold. White text remains highly legible, with about a 12.2:1 contrast ratio.
Questions about #661b00
What is #661b00 in RGB, HSL and CMYK?
In RGB, #661b00 is rgb(102, 27, 0), in HSL hsl(16, 100%, 20%) and in CMYK 0%, 74%, 100%, 60%.
What colors pair well with #661b00?
Cream and muted gold pair well with #661b00, softening its deep red warmth, while charcoal or earthy neutrals support a grounded palette without competing with its strong saturation or dark visual weight.
Does #661b00 look warm or cool?
#661b00 reads as a warm, deep red because its strong red base is balanced by brown undertones rather than blue or violet, giving it an earthy, serious character suited to autumn palettes and wine-inspired visuals.
Is #661b00 readable on white or black?
#661b00 has a 12.19:1 contrast ratio on white and 1.72:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it is too faint for text. Try other pairs in the contrast checker.