#181C01 Hex Color
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#181c01 is a near-black, earthy shade with a distinct olive-yellow undertone. Its low lightness makes it an effective background for moody, high-contrast layouts. Because it is so dark, white text remains highly readable, achieving a 17.4:1 contrast ratio. Use this hex code as a base for rugged or industrial-themed designs where traditional black feels too harsh or standard.
Questions about #181c01
What is #181c01 in RGB, HSL and CMYK?
In RGB, #181c01 is rgb(24, 28, 1), in HSL hsl(69, 93%, 6%) and in CMYK 14%, 0%, 96%, 89%.
Where should I use #181c01 in my design?
Use #181c01 as a sophisticated, softer alternative to pure black when you need to ground an industrial or rugged design layout. It performs exceptionally well as a dark background for modern, text-heavy interfaces requiring high readability and a moody, organic aesthetic.
What colors pair well with #181c01?
Because of its strong olive undertone, #181c01 pairs beautifully with natural, muted tones like sand, terracotta, or soft cream hues. These combinations create a balanced, earthy palette that feels more custom and intentional than standard monochromatic black and white schemes.
Is #181c01 readable on white or black?
#181c01 has a 17.42:1 contrast ratio on white and 1.20:1 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.