#21070D Hex Color
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Almost black before anything else, #21070d is a sooty dark red with oxblood undertones and very little brightness. Its low lightness makes it a strong dominant base for dark mode UI and moody branding, where white text reaches about 19.1:1 contrast. Pair it with muted gold or dusty rose to lift the red without losing the gloom.
Questions about #21070d
What is #21070d in RGB, HSL and CMYK?
In RGB, #21070d is rgb(33, 7, 13), in HSL hsl(346, 65%, 8%) and in CMYK 0%, 79%, 61%, 87%.
What text color works best on #21070d?
White text is the safest choice, reaching about 19.1:1 contrast, well above the 4.5:1 needed for WCAG AA body text. Light warm tones like dusty rose also read clearly against it.
Does #21070d read warm or cool?
It reads warm but restrained. The red base carries heat, yet its very low lightness and muted saturation pull it toward a somber, almost neutral character in most palettes.
Is #21070d readable on white or black?
#21070d has a 19.07:1 contrast ratio on white and 1.10:1 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.