Recognised as Colour
#A3A6A4
- #A3A6A4
- Grey
- Dark
- Nearest: Dark grey
#A3A6A4 is a grey with RGB values 163, 166, 164 and HSL 140°, 2%, 65%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark grey.
Colour values
#A3A6A4#A3A6A4
HEX#A3A6A4
RGBrgb(163, 166, 164)
RGB (0–1)0.6392, 0.651, 0.6431
RGB percentages63.9%, 65.1%, 64.3%
HSLhsl(140, 1.7%, 64.5%)
HSV / HSBhsv(140, 1.8%, 65.1%)
CMYK1.8%, 0%, 1.2%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,725,028
CSS custom property--colour: #A3A6A4;
Brightness & contrast
Relative luminance0.37739WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.55:1
Contrast with white2.46:1WCAG normal text: Fail
Contrast with black8.55:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#5C595B
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.46:1WCAG large text: Fail
Contrast with black, large text8.55:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A6A3A5
Analogous#A3A6A3, #A3A6A6
Triadic#A4A3A6, #A6A4A3
Split complementary#A6A3A6, #A6A3A3
Tetradic#A3A3A6, #A6A3A5, #A6A6A3
Tints, shades & saturation
Channel breakdown
R163
G166
B164
Red163 (63.9%)
Green166 (65.1%)
Blue164 (64.3%)
Hue140°
Saturation (HSL)1.66%
Lightness64.51%
Dominant channelGreen
Hex per channelR A3 · G A6 · B A4
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