#173C53 Hex Color
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This muted, ashy blue carries a heavy, serious atmosphere perfect for professional UI and branding. Because #173c53 is quite dark and low in saturation, it functions best as a dominant background for modern, clean interfaces. Pair it with soft cream or muted metallics to avoid looking too stark. With an 11.6:1 contrast ratio, white text remains highly legible against this steady, authoritative hex code.
Questions about #173c53
What is #173c53 in RGB, HSL and CMYK?
In RGB, #173c53 is rgb(23, 60, 83), in HSL hsl(203, 57%, 21%) and in CMYK 72%, 28%, 0%, 67%.
How should I use #173c53 in a professional UI layout?
#173c53 functions best as a dark, anchoring background color that creates an authoritative atmosphere for technical or corporate interfaces. Its low saturation ensures it does not distract from main content, especially when paired with cream or silver text for contrast.
Is #173c53 readable on white or black?
#173c53 has a 11.61:1 contrast ratio on white and 1.80:1 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.