Recognised as Colour
#B64931
- #B64931
- Red
- Dark
- Nearest: Brown
#B64931 is a red with RGB values 182, 73, 49 and HSL 11°, 58%, 45%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#B64931#B64931
HEX#B64931
RGBrgb(182, 73, 49)
RGB (0–1)0.7137, 0.2863, 0.1922
RGB percentages71.4%, 28.6%, 19.2%
HSLhsl(10.8, 57.6%, 45.3%)
HSV / HSBhsv(10.8, 73.1%, 71.4%)
CMYK0%, 59.9%, 73.1%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,946,289
CSS custom property--colour: #B64931;
Brightness & contrast
Relative luminance0.14932WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.27:1
Contrast with white5.27:1WCAG normal text: AA
Contrast with black3.99:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#49B6CE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.27:1WCAG large text: AAA
Contrast with black, large text3.99:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#319EB6
Analogous#B6315B, #B68C31
Triadic#31B649, #4931B6
Split complementary#31B68C, #315BB6
Tetradic#5BB631, #319EB6, #8C31B6
Tints, shades & saturation
Channel breakdown
R182
G73
B49
Red182 (71.4%)
Green73 (28.6%)
Blue49 (19.2%)
Hue10.83°
Saturation (HSL)57.58%
Lightness45.29%
Dominant channelRed
Hex per channelR B6 · G 49 · B 31
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Also reads as
B64931 (chemical formula)
- Formula
- 701,904.11 g/mol
- 64931 atoms
B64931 has a molar mass of 701,904.11 g/mol, made up of 64931 atoms across 1 element: 64931 × B.
Molar mass
Molar mass701,904.11 g/mol
Total atoms per molecule64931
Distinct elements1
Mass of one molecule1.1655392 × 10^-18 g
Molecules per gram8.57972 × 10^17
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 × 64931)701,904.11 g/mol, 100%
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