Recognised as Colour
#A1A1A1
- #A1A1A1
- Grey
- Dark
- Nearest: Dark grey
#A1A1A1 is a grey with RGB values 161, 161, 161 and HSL 0°, 0%, 63%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark grey.
Colour values
#A1A1A1#A1A1A1
HEX#A1A1A1
RGBrgb(161, 161, 161)
RGB (0–1)0.6314, 0.6314, 0.6314
RGB percentages63.1%, 63.1%, 63.1%
HSLhsl(0, 0%, 63.1%)
HSV / HSBhsv(0, 0%, 63.1%)
CMYK0%, 0%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,592,673
CSS custom property--colour: #A1A1A1;
Brightness & contrast
Relative luminance0.3564WCAG 2.x, 0 is black and 1 is white
Perceived brightness161 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.13:1
Contrast with white2.58:1WCAG normal text: Fail
Contrast with black8.13:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#5E5E5E
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.58:1WCAG large text: Fail
Contrast with black, large text8.13:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A1A1A1
Analogous#A1A1A1, #A1A1A1
Triadic#A1A1A1, #A1A1A1
Split complementary#A1A1A1, #A1A1A1
Tetradic#A1A1A1, #A1A1A1, #A1A1A1
Tints, shades & saturation
Channel breakdown
R161
G161
B161
Red161 (63.1%)
Green161 (63.1%)
Blue161 (63.1%)
Hue0°
Saturation (HSL)0%
Lightness63.14%
Dominant channelNone: the channels are equal (a neutral grey)
Hex per channelR A1 · G A1 · B A1
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