All About Color #404040

#404040

About #404040

#404040 is a dark gray color with the hex code #404040. In RGB it is red 64, green 64, blue 64; in HSL it is hue 0°, saturation 0%, lightness 25%; in CMYK it is 0%, 0%, 0%, 75%. Its contrast ratio is 10.37:1 on white and 2.03:1 on black.

#404040 Color Conversion

Hex triplet40, 40, 40
CMYK0.00%, 0.00%, 0.00%, 74.90%
RGB Decimal64, 64, 64
HSL0°, 0%, 25%
RGB Octal100, 100, 100
HSV (HSB)0.00°, 0.00%, 25.10%
RGB Binary1000000, 1000000, 1000000
CIE-L*AB27.09, 0.00, -0.00
RGB Percent25.10%, 25.10%, 25.10%
CIE-L*CH27.09, 0.00, 296.81
XYZ4.87, 5.13, 5.58
CIE-L*UV27.09, 0.00, 0.00
xyY0.31, 0.33, 5.13
Hunter-Lab22.64, -1.21, 1.23
RYB25.10%, 25.10%, 25.10%

Color Accessibility Scores

#404040 on a dark background: contrast 2.03:1, fails WCAG AA.
#404040 on a light background: contrast 10.37:1, passes WCAG AAA.

Color Shades

Tints and shades of #404040, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #404040. Open any of them in the Muzli palette generator.

Complementary palette

#404040 · #6E6E6E · #121212 · #404040 · #6E6E6E

Analogous palette

#404040 · #404040 · #404040 · #404040 · #404040

Triadic palette

#404040 · #404040 · #404040 · #6E6E6E · #6E6E6E

Tetradic palette

#404040 · #404040 · #404040 · #404040 · #121212

Monochromatic palette

#0D0D0D · #1A1A1A · #404040 · #666666 · #8C8C8C

Generate more palettes containing #404040 · Browse all color names

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