#EF3E42 Hex Color
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This intense red commands immediate attention with its high saturation and bright, warm personality. Because it creates such a strong visual impact, #ef3e42 works best as an accent color for calls to action or alert indicators rather than a dominant background. Pair it with dark grays or charcoal to ground its natural ferocity. The hex code for this bold shade is #ef3e42.
Questions about #ef3e42
What is #ef3e42 in RGB, HSL and CMYK?
In RGB, #ef3e42 is rgb(239, 62, 66), in HSL hsl(359, 85%, 59%) and in CMYK 0%, 74%, 72%, 6%.
What is the best way to use #ef3e42 in a UI design?
Use #ef3e42 strictly as an accent color for functional elements like primary buttons or error states. Because of its high saturation, it can overwhelm a layout if used as a background, so pair it with charcoal or dark gray to ground the visual intensity.
Does #ef3e42 have warm or cool undertones?
This color leans heavily into warm undertones, possessing a bright, fire-engine quality that grabs immediate attention. Its intense warmth makes it less suitable for large text blocks, as it can cause eye strain; reserve it for high-contrast, small-scale design elements instead.
Is #ef3e42 readable on white or black?
#ef3e42 has a 3.86:1 contrast ratio on white and 5.43:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.