Recognised as Colour
#B3B3B3
- #B3B3B3
- Grey
- Dark
- Nearest: Dark grey
#B3B3B3 is a grey with RGB values 179, 179, 179 and HSL 0°, 0%, 70%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark grey.
Colour values
#B3B3B3#B3B3B3
HEX#B3B3B3
RGBrgb(179, 179, 179)
RGB (0–1)0.702, 0.702, 0.702
RGB percentages70.2%, 70.2%, 70.2%
HSLhsl(0, 0%, 70.2%)
HSV / HSBhsv(0, 0%, 70.2%)
CMYK0%, 0%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,776,947
CSS custom property--colour: #B3B3B3;
Brightness & contrast
Relative luminance0.45079WCAG 2.x, 0 is black and 1 is white
Perceived brightness179 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.02:1
Contrast with white2.1:1WCAG normal text: Fail
Contrast with black10.02:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#4C4C4C
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.1:1WCAG large text: Fail
Contrast with black, large text10.02:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B3B3B3
Analogous#B3B3B3, #B3B3B3
Triadic#B3B3B3, #B3B3B3
Split complementary#B3B3B3, #B3B3B3
Tetradic#B3B3B3, #B3B3B3, #B3B3B3
Tints, shades & saturation
Channel breakdown
R179
G179
B179
Red179 (70.2%)
Green179 (70.2%)
Blue179 (70.2%)
Hue0°
Saturation (HSL)0%
Lightness70.2%
Dominant channelNone: the channels are equal (a neutral grey)
Hex per channelR B3 · G B3 · B B3
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Also reads as
B3B3B3 (chemical formula)
- Formula
- 97.29 g/mol
- 9 atoms
B3B3B3 has a molar mass of 97.29 g/mol, made up of 9 atoms across 1 element: 9 × B.
Molar mass
Molar mass97.29 g/mol
Total atoms per molecule9
Distinct elements1
Mass of one molecule1.6155385 × 10^-22 g
Molecules per gram6.1898867 × 10^21
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
B100%
Boron (B × 9)97.29 g/mol, 100%
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Elements in this formula
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