Colour
#3A3333
- #3A3333
- Grey
- Dark
- Nearest: Dark slate grey
#3A3333 is a grey with RGB values 58, 51, 51 and HSL 0°, 6%, 21%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#3A3333#3A3333
HEX#3A3333
RGBrgb(58, 51, 51)
RGB (0–1)0.2275, 0.2, 0.2
RGB percentages22.7%, 20%, 20%
HSLhsl(0, 6.4%, 21.4%)
HSV / HSBhsv(0, 12.1%, 22.7%)
CMYK0%, 12.1%, 12.1%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,814,195
CSS custom property--colour: #3A3333;
Brightness & contrast
Relative luminance0.03506WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.34:1
Contrast with white12.34:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#C5CCCC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.34:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#333A3A
Analogous#3A3337, #3A3733
Triadic#333A33, #33333A
Split complementary#333A37, #33373A
Tetradic#373A33, #333A3A, #37333A
Tints, shades & saturation
Channel breakdown
R58
G51
B51
Red58 (22.7%)
Green51 (20%)
Blue51 (20%)
Hue0°
Saturation (HSL)6.42%
Lightness21.37%
Dominant channelRed
Hex per channelR 3A · G 33 · B 33
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