#005BB5 Hex Color
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#005bb5 is a bold, saturated blue that feels both professional and intense. Its high chroma makes it an excellent choice for calls to action or UI accents where you need immediate attention. Because it maintains strong legibility against white backgrounds, it works well for standard text. This hex code pairs surprisingly well with warm terracotta shades for a balanced, modern palette.
Questions about #005bb5
What is #005bb5 in RGB, HSL and CMYK?
In RGB, #005bb5 is rgb(0, 91, 181), in HSL hsl(210, 100%, 35%) and in CMYK 100%, 50%, 0%, 29%.
What colors pair well with #005bb5?
#005bb5 works effectively when grounded by warm earthy tones, particularly terracotta or soft sand, which balance its high-intensity cool saturation. For a more sophisticated corporate look, pair it with neutral charcoal or crisp white to maintain strong legibility.
Is #005bb5 readable on white or black?
#005bb5 has a 6.63:1 contrast ratio on white and 3.16:1 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.