Recognised as Colour
#B64727
- #B64727
- Red
- Dark
- Nearest: Firebrick
#B64727 is a red with RGB values 182, 71, 39 and HSL 13°, 65%, 43%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#B64727#B64727
HEX#B64727
RGBrgb(182, 71, 39)
RGB (0–1)0.7137, 0.2784, 0.1529
RGB percentages71.4%, 27.8%, 15.3%
HSLhsl(13.4, 64.7%, 43.3%)
HSV / HSBhsv(13.4, 78.6%, 71.4%)
CMYK0%, 61%, 78.6%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,945,767
CSS custom property--colour: #B64727;
Brightness & contrast
Relative luminance0.14598WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.36:1
Contrast with white5.36:1WCAG normal text: AA
Contrast with black3.92:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#49B8D8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.36:1WCAG large text: AAA
Contrast with black, large text3.92:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2796B6
Analogous#B6274E, #B68F27
Triadic#27B647, #4727B6
Split complementary#27B68F, #274EB6
Tetradic#4EB627, #2796B6, #8F27B6
Tints, shades & saturation
Channel breakdown
R182
G71
B39
Red182 (71.4%)
Green71 (27.8%)
Blue39 (15.3%)
Hue13.43°
Saturation (HSL)64.71%
Lightness43.33%
Dominant channelRed
Hex per channelR B6 · G 47 · B 27
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Also reads as
B64727 (chemical formula)
- Formula
- 699,698.87 g/mol
- 64727 atoms
B64727 has a molar mass of 699,698.87 g/mol, made up of 64727 atoms across 1 element: 64727 × B.
Molar mass
Molar mass699,698.87 g/mol
Total atoms per molecule64727
Distinct elements1
Mass of one molecule1.1618773 × 10^-18 g
Molecules per gram8.6067607 × 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 × 64727)699,698.87 g/mol, 100%
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