#181533 Hex Color
Online color picker to view shades, tints, color codes, and complementary colors

#181533 is a dense, ink-like shade that sits between navy and dark violet. Its extreme darkness creates a sophisticated, near-black effect in UI design, making it an excellent base for high-contrast, moody interfaces. While it offers enough contrast for legible white text, it works best when paired with soft metallics or muted gold accents to avoid feeling too flat. The hex code for this color is #181533.
Questions about #181533
What is #181533 in RGB, HSL and CMYK?
In RGB, #181533 is rgb(24, 21, 51), in HSL hsl(246, 42%, 14%) and in CMYK 53%, 59%, 0%, 80%.
Does #181533 work better as a primary or accent color?
#181533 serves best as a deep background base rather than an accent, providing a stable foundation that allows brighter elements to pop. Its extreme darkness makes it an ideal alternative to pure black in high-contrast UI layouts.
Which accent colors pair best with #181533?
Soft metallics, muted gold, or a crisp cream work best with #181533 to prevent the overall design from feeling too flat. Because this shade is so dark, pairing it with high-value, warm tones creates a necessary visual balance.
Is #181533 readable on white or black?
#181533 has a 17.58:1 contrast ratio on white and 1.19:1 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.