#A40B37 Hex Color
Dark crimson with forceful warmth

A saturated, dark red with warm crimson undertones, #a40b37 feels intense, serious, and passionate. Its strong chroma gives calls to action, sports graphics, and romantic branding immediate presence. Use it as a focused accent or supporting tone beside charcoal or warm cream, rather than a full background. The hex code #a40b37 supports clear white text at about 7.8:1 contrast.
Questions about #a40b37
What is #a40b37 in RGB, HSL and CMYK?
In RGB, #a40b37 is rgb(164, 11, 55), in HSL hsl(343, 87%, 34%) and in CMYK 0%, 93%, 66%, 36%.
What colors pair well with #a40b37?
#a40b37 pairs well with charcoal, warm cream, and muted olive because these companions temper its high saturation while preserving its dark, warm presence across branding, editorial layouts, and promotional graphics.
Is #a40b37 readable on white or black?
#a40b37 has a 7.83:1 contrast ratio on white and 2.68:1 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.