Colour
#3F4141
- #3F4141
- Grey
- Dark
- Nearest: Dark slate grey
#3F4141 is a grey with RGB values 63, 65, 65 and HSL 180°, 2%, 25%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#3F4141#3F4141
HEX#3F4141
RGBrgb(63, 65, 65)
RGB (0–1)0.2471, 0.2549, 0.2549
RGB percentages24.7%, 25.5%, 25.5%
HSLhsl(180, 1.6%, 25.1%)
HSV / HSBhsv(180, 3.1%, 25.5%)
CMYK3.1%, 0%, 0%, 74.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,145,473
CSS custom property--colour: #3F4141;
Brightness & contrast
Relative luminance0.05219WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.27:1
Contrast with white10.27:1WCAG normal text: AAA
Contrast with black2.04:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#C0BEBE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.27:1WCAG large text: AAA
Contrast with black, large text2.04:1WCAG large text: Fail
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#413F3F
Analogous#3F4140, #3F4041
Triadic#413F41, #41413F
Split complementary#413F40, #41403F
Tetradic#403F41, #413F3F, #40413F
Tints, shades & saturation
Channel breakdown
R63
G65
B65
Red63 (24.7%)
Green65 (25.5%)
Blue65 (25.5%)
Hue180°
Saturation (HSL)1.56%
Lightness25.1%
Dominant channelGreen and Blue
Hex per channelR 3F · G 41 · B 41
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