#3F434F Hex Color
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Dark and muted, #3f434f is a blue-indigo shade with ashy gray undertones and a matte, almost smoky finish. Its low saturation gives layouts a serious, controlled mood without the starkness of black. Use the hex code #3f434f as a supporting tone in finance, technology, or security interfaces, especially behind white text, which reaches about 9.9:1 contrast.
Questions about #3f434f
What is #3f434f in RGB, HSL and CMYK?
In RGB, #3f434f is rgb(63, 67, 79), in HSL hsl(225, 11%, 28%) and in CMYK 20%, 15%, 0%, 69%.
What colors pair well with #3f434f?
Pair #3f434f with burgundy, muted lavender, or warm off-white for contrast that feels considered rather than stark. Burgundy adds restrained warmth, while pale neutrals clarify the shade’s blue-gray base. Use the darker tone as a dominant background or supporting panel.
Is #3f434f readable on white or black?
#3f434f has a 9.87:1 contrast ratio on white and 2.12:1 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.