Recognised as Colour
#B59BA7
- #B59BA7
- Red
- Dark
- Nearest: Rosy brown
#B59BA7 is a red with RGB values 181, 155, 167 and HSL 332°, 15%, 66%. 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
#B59BA7#B59BA7
HEX#B59BA7
RGBrgb(181, 155, 167)
RGB (0–1)0.7098, 0.6078, 0.6549
RGB percentages71%, 60.8%, 65.5%
HSLhsl(332.3, 14.9%, 65.9%)
HSV / HSBhsv(332.3, 14.4%, 71%)
CMYK0%, 14.4%, 7.7%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,901,863
CSS custom property--colour: #B59BA7;
Brightness & contrast
Relative luminance0.36056WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.21:1
Contrast with white2.56:1WCAG normal text: Fail
Contrast with black8.21:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#4A6458
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.56:1WCAG large text: Fail
Contrast with black, large text8.21:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9BB5A9
Analogous#B59BB4, #B59C9B
Triadic#A7B59B, #9BA7B5
Split complementary#9BB59C, #9BB4B5
Tetradic#B4B59B, #9BB5A9, #9C9BB5
Tints, shades & saturation
Channel breakdown
R181
G155
B167
Red181 (71%)
Green155 (60.8%)
Blue167 (65.5%)
Hue332.31°
Saturation (HSL)14.94%
Lightness65.88%
Dominant channelRed
Hex per channelR B5 · G 9B · B A7
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Also reads as
B59Ba7 (chemical formula)
- Formula
- 1,599.1 g/mol
- 66 atoms
B59Ba7 has a molar mass of 1,599.1 g/mol, made up of 66 atoms across 2 elements: 59 × B, 7 × Ba.
Molar mass
Molar mass1,599.1 g/mol
Total atoms per molecule66
Distinct elements2
Mass of one molecule2.655368 × 10^-21 g
Molecules per gram3.7659563 × 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
B39.9%
Ba60.1%
Boron (B × 59)637.79 g/mol, 39.884%
Barium (Ba × 7)961.31 g/mol, 60.116%
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