#3F3F3F Hex Color

Serious, ashy neutral with quiet depth

Hex color #3f3f3f graphic
#3f3f3f is a dark, muted neutral with a slightly ashy cast. Its low saturation creates a serious, restrained mood suited to interfaces, typography, and architectural layouts. Use it as a dominant background with white text, which reaches about 10.5:1 contrast. The hex code #3f3f3f also pairs well with warm beige and muted copper accents.

Questions about #3f3f3f

What is #3f3f3f in RGB, HSL and CMYK?
In RGB, #3f3f3f is rgb(63, 63, 63), in HSL hsl(0, 0%, 25%) and in CMYK 0%, 0%, 0%, 75%.
Does #3f3f3f read as warm or cool?
#3f3f3f reads as a cool-leaning neutral because its slightly ashy cast lacks the brown or red notes found in warmer grays, giving it a restrained, low-saturation appearance rather than a distinctly blue tone. Warm beige or muted copper accents can balance it.
What colors pair well with #3f3f3f?
#3f3f3f pairs well with white for crisp contrast, warm beige for a softer balance, and muted copper or terracotta accents that add restrained warmth without overwhelming its quiet, architectural character.
Is #3f3f3f readable on white or black?
#3f3f3f has a 10.53:1 contrast ratio on white and 1.99:1 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.