Recognised as Colour
#B39BA7
- #B39BA7
- Red
- Dark
- Nearest: Rosy brown
#B39BA7 is a red with RGB values 179, 155, 167 and HSL 330°, 14%, 65%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Rosy brown.
Colour values
#B39BA7#B39BA7
HEX#B39BA7
RGBrgb(179, 155, 167)
RGB (0–1)0.702, 0.6078, 0.6549
RGB percentages70.2%, 60.8%, 65.5%
HSLhsl(330, 13.6%, 65.5%)
HSV / HSBhsv(330, 13.4%, 70.2%)
CMYK0%, 13.4%, 6.7%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,770,791
CSS custom property--colour: #B39BA7;
Brightness & contrast
Relative luminance0.35816WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.16:1
Contrast with white2.57:1WCAG normal text: Fail
Contrast with black8.16:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#4C6458
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.57:1WCAG large text: Fail
Contrast with black, large text8.16:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9BB3A7
Analogous#B39BB3, #B39B9B
Triadic#A7B39B, #9BA7B3
Split complementary#9BB39B, #9BB3B3
Tetradic#B3B39B, #9BB3A7, #9B9BB3
Tints, shades & saturation
Channel breakdown
R179
G155
B167
Red179 (70.2%)
Green155 (60.8%)
Blue167 (65.5%)
Hue330°
Saturation (HSL)13.64%
Lightness65.49%
Dominant channelRed
Hex per channelR B3 · G 9B · B A7
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Also reads as
B39Ba7 (chemical formula)
- Formula
- 1,382.9 g/mol
- 46 atoms
B39Ba7 has a molar mass of 1,382.9 g/mol, made up of 46 atoms across 2 elements: 39 × B, 7 × Ba.
Molar mass
Molar mass1,382.9 g/mol
Total atoms per molecule46
Distinct elements2
Mass of one molecule2.2963595 × 10^-21 g
Molecules per gram4.3547189 × 10^20
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
B30.5%
Ba69.5%
Boron (B × 39)421.59 g/mol, 30.486%
Barium (Ba × 7)961.31 g/mol, 69.514%
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