#00217D Hex Color
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This dark, saturated blue feels authoritative and grounded. Because it is so deep, #00217d excels as a solid background for white text, offering high contrast that is easy to read. It functions best as a dominant base for corporate or tech interfaces, though you should pair it with lighter, warm accent colors to prevent the design from feeling too cold or gloomy.
Questions about #00217d
What is #00217d in RGB, HSL and CMYK?
In RGB, #00217d is rgb(0, 33, 125), in HSL hsl(224, 100%, 25%) and in CMYK 100%, 74%, 0%, 51%.
What accent colors pair well with #00217d?
Is #00217d readable on white or black?
#00217d has a 13.87:1 contrast ratio on white and 1.51:1 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.