#0B3751 Hex Color
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#0b3751 is a dark, muted blue with cool gray undertones. Its low saturation gives layouts a serious, dependable feel, making it effective for finance, security, government, and corporate branding. Use it as a dominant background or dark-mode surface, then add burgundy or warm ivory accents. The hex code #0b3751 supports highly readable white text.
Questions about #0b3751
What is #0b3751 in RGB, HSL and CMYK?
In RGB, #0b3751 is rgb(11, 55, 81), in HSL hsl(202, 76%, 18%) and in CMYK 86%, 32%, 0%, 68%.
What colors pair well with #0b3751?
#0b3751 pairs well with warm ivory, burgundy, muted gold, and soft gray because warm accents balance its cool, low-saturation blue while lighter neutrals keep layouts readable and prevent the deep shade from feeling too heavy.
Where does #0b3751 work best in a design?
Use #0b3751 as a dominant background, dark-mode surface, or stable brand color when you want a serious, dependable mood without the starkness of pure black; its blue-gray undertone works especially well in finance, security, government, and corporate interfaces.
Is #0b3751 readable on white or black?
#0b3751 has a 12.50:1 contrast ratio on white and 1.67:1 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.