#558BBB Hex Color
Online color picker to view shades, tints, color codes, and complementary colors
The hex code #558bbb is a muted, cool blue with moderate lightness and a soft gray cast. Its restrained saturation supports trust and reliability without feeling severe, making it useful for finance, healthcare, technology, and government interfaces. Use it as a supporting tone with charcoal or warm off-white; black text reaches about 5.8:1 contrast for readable body copy.
Questions about #558bbb
What is #558bbb in RGB, HSL and CMYK?
In RGB, #558bbb is rgb(85, 139, 187), in HSL hsl(208, 43%, 53%) and in CMYK 55%, 26%, 0%, 27%.
What colors pair well with #558bbb?
#558bbb pairs well with charcoal for text, warm off-white for spacious layouts, and muted terracotta for a small accent, adding contrast while preserving its restrained blue character across finance, healthcare, and technology branding.
Is #558bbb readable on white or black?
#558bbb has a 3.62:1 contrast ratio on white and 5.79:1 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.