#173658 Hex Color
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This muted, dark blue carries a sense of authority and professional stability. Because it is highly unsaturated, it serves as a reliable background for modern UI designs. With a 12.3:1 contrast ratio against white, fine text remains perfectly readable. The hex code is #173658. To understand the complex, dusty tones here, mixing black provides useful context for how designers build such depth.
Questions about #173658
What is #173658 in RGB, HSL and CMYK?
In RGB, #173658 is rgb(23, 54, 88), in HSL hsl(211, 59%, 22%) and in CMYK 74%, 39%, 0%, 65%.
Why is #173658 effective for professional UI design?
Because #173658 offers a high contrast ratio of 12.3:1 against white text, it ensures excellent readability while maintaining a professional, authoritative mood. This stability makes it an ideal, muted alternative to harsh, oversaturated navy tones in modern corporate interfaces.
Which colors pair best with #173658?
Is #173658 readable on white or black?
#173658 has a 12.31:1 contrast ratio on white and 1.70:1 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.