#0F3D5B Hex Color
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#0f3d5b is a dark, muted blue with cool blue-green undertones. Its low saturation creates a serious, stable mood for finance, security, government, and corporate branding. Use it as a dominant background with white text, which provides about 11.4:1 contrast. Burgundy or aged gold adds warmth and depth. The hex code is #0f3d5b.
Questions about #0f3d5b
What is #0f3d5b in RGB, HSL and CMYK?
In RGB, #0f3d5b is rgb(15, 61, 91), in HSL hsl(204, 72%, 21%) and in CMYK 84%, 33%, 0%, 64%.
What colors pair well with #0f3d5b?
Burgundy and aged gold add warmth to #0f3d5b, while soft neutrals keep its restrained, readable character and pale text provides strong separation when the blue serves as a background surface. Use burgundy for accents and aged gold for highlights.
Is #0f3d5b warm or cool, and where does it work best?
#0f3d5b reads as a cool, serious blue because its muted blue-green undertones temper the depth without adding warmth, making it suitable for finance, security, government, and corporate interfaces with a formal visual tone.
Is #0f3d5b readable on white or black?
#0f3d5b has a 11.42:1 contrast ratio on white and 1.83:1 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.