#2D3139 Hex Color
A sharp, professional slate blue-grey

This desaturated blue-grey carries a serious, professional weight. The hex code #2d3139 functions best as a dominant background color in dark mode interfaces. Because it offers high contrast with white text, it remains readable even at small sizes. Pair this dusky shade with warm metallic accents to ground the cool tone and prevent it from appearing too sterile on screen.
Questions about #2d3139
What is #2d3139 in RGB, HSL and CMYK?
In RGB, #2d3139 is rgb(45, 49, 57), in HSL hsl(220, 12%, 20%) and in CMYK 21%, 14%, 0%, 78%.
Where should I use #2d3139 in a website layout?
#2d3139 works best as a primary background color for dark mode interfaces because it offers a sophisticated, less harsh alternative to pure black. It maintains excellent contrast with white text, ensuring readability while providing a stable, professional feel for data-heavy dashboards.
What colors pair well with #2d3139?
Is #2d3139 readable on white or black?
#2d3139 has a 13.04:1 contrast ratio on white and 1.60:1 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.