Recognised as Colour
#B8B2B7
- #B8B2B7
- Grey
- Dark
- Nearest: Dark grey
#B8B2B7 is a grey with RGB values 184, 178, 183 and HSL 310°, 4%, 71%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark grey.
Colour values
#B8B2B7#B8B2B7
HEX#B8B2B7
RGBrgb(184, 178, 183)
RGB (0–1)0.7216, 0.698, 0.7176
RGB percentages72.2%, 69.8%, 71.8%
HSLhsl(310, 4.1%, 71%)
HSV / HSBhsv(310, 3.3%, 72.2%)
CMYK0%, 3.3%, 0.5%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,104,375
CSS custom property--colour: #B8B2B7;
Brightness & contrast
Relative luminance0.4545WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.09:1
Contrast with white2.08:1WCAG normal text: Fail
Contrast with black10.09:1WCAG normal text: AAA
Greyscale equivalent#B4B4B4
Inverted#474D48
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.08:1WCAG large text: Fail
Contrast with black, large text10.09:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B2B8B3
Analogous#B6B2B8, #B8B2B4
Triadic#B7B8B2, #B2B7B8
Split complementary#B4B8B2, #B2B8B6
Tetradic#B8B6B2, #B2B8B3, #B2B4B8
Tints, shades & saturation
Channel breakdown
R184
G178
B183
Red184 (72.2%)
Green178 (69.8%)
Blue183 (71.8%)
Hue310°
Saturation (HSL)4.05%
Lightness70.98%
Dominant channelRed
Hex per channelR B8 · G B2 · B B7
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Also reads as
B8B2B7 (chemical formula)
- Formula
- 183.77 g/mol
- 17 atoms
B8B2B7 has a molar mass of 183.77 g/mol, made up of 17 atoms across 1 element: 17 × B.
Molar mass
Molar mass183.77 g/mol
Total atoms per molecule17
Distinct elements1
Mass of one molecule3.0515726 × 10^-22 g
Molecules per gram3.2769988 × 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 × 17)183.77 g/mol, 100%
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