#303840 Hex Color
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This dark, muted blue has a significant amount of grey, giving it a dusty, serious character. Because of its low saturation, #303840 functions as a sophisticated, reliable base color for technology or corporate branding. It maintains excellent readability with white text, making it a strong choice for UI backgrounds. Pair this hex code with soft corals or warm creams to prevent the palette from feeling too cold.
Questions about #303840
What is #303840 in RGB, HSL and CMYK?
In RGB, #303840 is rgb(48, 56, 64), in HSL hsl(210, 14%, 22%) and in CMYK 25%, 13%, 0%, 75%.
What colors pair well with #303840?
#303840 works best when balanced by warm, contrasting accents that prevent it from appearing too sterile. Pair it with soft creams, warm terracotta, or muted corals to add vibrancy while maintaining the professional, low-saturation character of this sophisticated shade.
Is #303840 readable on white or black?
#303840 has a 11.89:1 contrast ratio on white and 1.76:1 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.