#183E4B Hex Color
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#183e4b is a deep, desaturated cyan that carries a heavy, dusty presence. Because of its intense darkness, it provides an excellent backdrop for white text, ensuring high readability in dark mode designs. This hex code works best as a primary UI background rather than an accent, as its moody character can overwhelm smaller design elements if used sparingly.
Questions about #183e4b
What is #183e4b in RGB, HSL and CMYK?
In RGB, #183e4b is rgb(24, 62, 75), in HSL hsl(195, 52%, 19%) and in CMYK 68%, 17%, 0%, 71%.
How should I use #183e4b in a web interface?
#183e4b functions best as a primary background or surface color rather than a small accent. Because of its dark intensity and muted character, it provides excellent contrast for white text, effectively reducing eye strain in dark mode design implementations.
Which colors pair well with #183e4b?
This deep cyan works beautifully with crisp white or light cream for high-contrast typography. For accent colors, it pairs well with soft terracotta or warm gold, which provide a vibrant, balancing warmth against its cool, heavy presence.
Is #183e4b readable on white or black?
#183e4b has a 11.47:1 contrast ratio on white and 1.82:1 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.