#2B3140 Hex Color
A muted, shadowy blue for serious work
#2b3140 is a dark, muted blue with ashy gray undertones and a matte, almost-black appearance. Its low saturation gives interfaces a serious, controlled mood without the starkness of pure black. Use this hex code as a dominant dark-mode background or supporting tone for finance, security, and technology layouts. White text reaches about 13.0:1 contrast here, supporting readable body copy.
Questions about #2b3140
What is #2b3140 in RGB, HSL and CMYK?
In RGB, #2b3140 is rgb(43, 49, 64), in HSL hsl(223, 20%, 21%) and in CMYK 33%, 23%, 0%, 75%.
What colors pair well with #2b3140?
#2b3140 pairs well with muted burgundy, dusty rose, pale blue, and warm off-white, creating measured contrast while preserving its restrained character across interfaces, editorial layouts, and brand palettes with a dark base. Use lighter tones for text, borders, or surfaces.
Does #2b3140 read as warm or cool?
#2b3140 reads cool in most palettes because its blue base is softened by low saturation and gray undertones, giving it a shaded, ashy appearance rather than a crisp or vivid blue. Warm cream or muted terracotta can balance its cooler cast.
Is #2b3140 readable on white or black?
#2b3140 has a 12.99:1 contrast ratio on white and 1.61:1 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.