Recognised as Colour
#B34540
- #B34540
- Red
- Dark
- Nearest: Brown
#B34540 is a red with RGB values 179, 69, 64 and HSL 3°, 47%, 48%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#B34540#B34540
HEX#B34540
RGBrgb(179, 69, 64)
RGB (0–1)0.702, 0.2706, 0.251
RGB percentages70.2%, 27.1%, 25.1%
HSLhsl(2.6, 47.3%, 47.6%)
HSV / HSBhsv(2.6, 64.2%, 70.2%)
CMYK0%, 61.5%, 64.2%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,748,672
CSS custom property--colour: #B34540;
Brightness & contrast
Relative luminance0.1421WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.47:1
Contrast with white5.47:1WCAG normal text: AA
Contrast with black3.84:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#4CBABF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.47:1WCAG large text: AAA
Contrast with black, large text3.84:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#40AEB3
Analogous#B34074, #B37F40
Triadic#40B345, #4540B3
Split complementary#40B37E, #4075B3
Tetradic#75B340, #40AEB3, #7F40B3
Tints, shades & saturation
Channel breakdown
R179
G69
B64
Red179 (70.2%)
Green69 (27.1%)
Blue64 (25.1%)
Hue2.61°
Saturation (HSL)47.33%
Lightness47.65%
Dominant channelRed
Hex per channelR B3 · G 45 · B 40
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Also reads as
B34540 (chemical formula)
- Formula
- 373,377.4 g/mol
- 34540 atoms
B34540 has a molar mass of 373,377.4 g/mol, made up of 34540 atoms across 1 element: 34540 × B.
Molar mass
Molar mass373,377.4 g/mol
Total atoms per molecule34540
Distinct elements1
Mass of one molecule6.2000776 × 10^-19 g
Molecules per gram1.612883 × 10^18
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 × 34540)373,377.4 g/mol, 100%
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