Recognised as Colour
#B24747
- #B24747
- Red
- Dark
- Nearest: Indian red
#B24747 is a red with RGB values 178, 71, 71 and HSL 0°, 43%, 49%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#B24747#B24747
HEX#B24747
RGBrgb(178, 71, 71)
RGB (0–1)0.698, 0.2784, 0.2784
RGB percentages69.8%, 27.8%, 27.8%
HSLhsl(0, 43%, 48.8%)
HSV / HSBhsv(0, 60.1%, 69.8%)
CMYK0%, 60.1%, 60.1%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,683,655
CSS custom property--colour: #B24747;
Brightness & contrast
Relative luminance0.14426WCAG 2.x, 0 is black and 1 is white
Perceived brightness114 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.41:1
Contrast with white5.41:1WCAG normal text: AA
Contrast with black3.89:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#4DB8B8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.41:1WCAG large text: AAA
Contrast with black, large text3.89:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#47B2B2
Analogous#B2477D, #B27D47
Triadic#47B247, #4747B2
Split complementary#47B27D, #477DB2
Tetradic#7DB247, #47B2B2, #7D47B2
Tints, shades & saturation
Channel breakdown
R178
G71
B71
Red178 (69.8%)
Green71 (27.8%)
Blue71 (27.8%)
Hue0°
Saturation (HSL)42.97%
Lightness48.82%
Dominant channelRed
Hex per channelR B2 · G 47 · B 47
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Also reads as
B24747 (chemical formula)
- Formula
- 267,515.07 g/mol
- 24747 atoms
B24747 has a molar mass of 267,515.07 g/mol, made up of 24747 atoms across 1 element: 24747 × B.
Molar mass
Molar mass267,515.07 g/mol
Total atoms per molecule24747
Distinct elements1
Mass of one molecule4.4421922 × 10^-19 g
Molecules per gram2.2511408 × 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 × 24747)267,515.07 g/mol, 100%
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