#E51831 Hex Color
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Sale banners and call-to-action buttons are where this bold red earns its keep. #e51831 is loud and fully saturated, with a slight raspberry edge that keeps it from reading brick. Its hex code works best as a 10 percent accent, since full backgrounds overwhelm fast. White text on it hits about 4.7:1 contrast, enough for AA body copy.
Questions about #e51831
What is #e51831 in RGB, HSL and CMYK?
In RGB, #e51831 is rgb(229, 24, 49), in HSL hsl(353, 81%, 50%) and in CMYK 0%, 90%, 79%, 10%.
What colors pair well with #e51831?
Is #e51831 readable on white or black?
#e51831 has a 4.65:1 contrast ratio on white and 4.50:1 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 works for body text. Try other pairs in the contrast checker.