#000138 Hex Color
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This somber, near-black shade carries a cool, ashy undertone that feels grounded and serious. Because #000138 is so desaturated, it excels as a moody background color for tech or corporate interfaces. Pair it with crisp white text to achieve excellent legibility. Since it absorbs light, avoid using this hex code for fine details, as the lines can blur and appear muddy at small scales.
Questions about #000138
What is #000138 in RGB, HSL and CMYK?
In RGB, #000138 is rgb(0, 1, 56), in HSL hsl(239, 100%, 11%) and in CMYK 100%, 98%, 0%, 78%.
Where should I use #000138 in UI design?
#000138 works best as a moody, grounding background for high-end tech or corporate dashboards. Because it absorbs significant light, it creates a sophisticated contrast when paired with crisp white typography, but it should be avoided for thin lines or fine text details.
Does #000138 read as a warm or cool color?
#000138 is distinctly a cool-toned, ashy blue-black. While it sits near the neutral end of the spectrum, its deep saturation maintains a chilly, serious character that feels significantly colder than a standard neutral black or warm charcoal shade.
Is #000138 readable on white or black?
#000138 has a 19.78:1 contrast ratio on white and 1.06:1 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.