#373A3F Hex Color
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#373a3f is a dark grey with a faint blue undertone, sitting closer to charcoal than a true neutral. Its low saturation and deep value make it a strong dominant base for dark mode UI, where white text reaches about 11.4:1 contrast. It flatters muted amber or dusty rose accents, which keep it from reading flat. The hex code #373a3f also works well near the tones used in mixing black, staying just light enough to hold fine detail.
Questions about #373a3f
What is #373a3f in RGB, HSL and CMYK?
In RGB, #373a3f is rgb(55, 58, 63), in HSL hsl(218, 7%, 23%) and in CMYK 13%, 8%, 0%, 75%. Browse more shades of gray with names and hex codes.
Is #373a3f warm or cool?
#373a3f reads cool because its blue undertone pulls the grey toward slate. The effect is subtle, so it still pairs comfortably with warm accents like terracotta or muted amber.
What colors pair well with #373a3f?
Muted amber, dusty rose, and warm off-whites all lift #373a3f without clashing with its cool undertone. For a richer palette, try it against deep burgundy rather than camel or beige.
Is #373a3f readable on white or black?
#373a3f has a 11.41:1 contrast ratio on white and 1.83:1 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.