#001021 Hex Color
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#001021 is a somber, near-black blue with a dusty, ashy character. Because it sits so close to black, it works best as a moody background for dark interfaces rather than for fine lines. White text remains perfectly legible against this hex code, offering an excellent contrast ratio. Pair it with cool, metallic tones to avoid a muddy appearance in your design.
Questions about #001021
What is #001021 in RGB, HSL and CMYK?
In RGB, #001021 is rgb(0, 16, 33), in HSL hsl(211, 100%, 6%) and in CMYK 100%, 52%, 0%, 87%.
Does #001021 work well for text-heavy interfaces?
Yes, #001021 acts as an excellent foundation for high-contrast typography when paired with white or very light text. Because it is so dark, it provides a sophisticated, softer alternative to pure black while maintaining perfect readability.
What colors pair best with #001021 for a modern palette?
This deep, ashy blue pairs naturally with silver or cool grey metallic tones to highlight its sophisticated undertones. Avoid warm, earthy tones, as they can make #001021 appear muddy or unintentionally brown rather than crisp and deep.
Is #001021 readable on white or black?
#001021 has a 19.15:1 contrast ratio on white and 1.09:1 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.