#0B185C Hex Color
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#0b185c is a dark, cool navy with strong saturation and very low lightness, giving it a serious, controlled presence. This hex code works well as a dominant background for finance, security, and corporate interfaces. White text reaches about 16.2:1 contrast, supporting clear body copy and navigation. Pair it with burgundy or muted steel blue for depth without losing authority.
Questions about #0b185c
What is #0b185c in RGB, HSL and CMYK?
In RGB, #0b185c is rgb(11, 24, 92), in HSL hsl(230, 79%, 20%) and in CMYK 88%, 74%, 0%, 64%.
Does #0b185c read as a warm or cool color?
#0b185c reads as a cool color because its blue hue, low lightness, and strong saturation create a cold, weighty impression rather than a soft, airy one in most palettes. It gives formal layouts a stable, authoritative base.
What colors pair well with #0b185c?
#0b185c pairs well with burgundy, muted steel blue, and warm off-white because these tones add controlled warmth or gentle contrast without weakening its formal character across branding and interface work. Use it as the dominant base, then reserve warmer tones for accents and calls to action.
Is #0b185c readable on white or black?
#0b185c has a 16.16:1 contrast ratio on white and 1.29:1 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.