#DA0037 Hex Color
A vivid warm red with force

#da0037 is a saturated, warm-leaning red with a slight pink undertone and strong visual force. Its high chroma makes it effective for calls to action, sale graphics, sports branding, and small interface accents, but overwhelming as a full-page background. The hex code #da0037 supports white text at about 5.2:1 contrast, enough for WCAG AA body text.
Questions about #da0037
What is #da0037 in RGB, HSL and CMYK?
In RGB, #da0037 is rgb(218, 0, 55), in HSL hsl(345, 100%, 43%) and in CMYK 0%, 100%, 75%, 15%.
How should designers use #da0037 in a palette?
Does #da0037 read as warm or cool?
#da0037 reads as warm because its saturated red base carries a slight pink undertone, while its medium-dark lightness adds weight. That combination suggests urgency and passion, making it effective for alerts, limited-time offers, entertainment graphics, and energetic sports interfaces.
Is #da0037 readable on white or black?
#da0037 has a 5.20:1 contrast ratio on white and 4.03:1 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.