#C43B00 Hex Color
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Reach for #c43b00 when a button or call to action needs real heat. This bold rust red is highly saturated and warm, with an orange undertone that keeps it intense without reading as alarm. White text holds up well on it at about 5.3:1 contrast, enough for AA body copy. Use it as a small accent against deep navy or charcoal, since full backgrounds of this shade can overwhelm a layout.
Questions about #c43b00
What is #c43b00 in RGB, HSL and CMYK?
In RGB, #c43b00 is rgb(196, 59, 0), in HSL hsl(18, 100%, 38%) and in CMYK 0%, 70%, 100%, 23%.
What colors pair well with #c43b00?
Cream, deep teal, and charcoal keep its heat in check, and a dark navy makes #c43b00 glow even brighter. Skip soft pastels, which look washed out next to this much saturation.
Is #c43b00 readable on white or black?
#c43b00 has a 5.28:1 contrast ratio on white and 3.97:1 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 only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.