Recognised as Colour
#B24C57
- #B24C57
- Red
- Dark
- Nearest: Indian red
#B24C57 is a red with RGB values 178, 76, 87 and HSL 354°, 40%, 50%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#B24C57#B24C57
HEX#B24C57
RGBrgb(178, 76, 87)
RGB (0–1)0.698, 0.298, 0.3412
RGB percentages69.8%, 29.8%, 34.1%
HSLhsl(353.5, 40.2%, 49.8%)
HSV / HSBhsv(353.5, 57.3%, 69.8%)
CMYK0%, 57.3%, 51.1%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,684,951
CSS custom property--colour: #B24C57;
Brightness & contrast
Relative luminance0.15322WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.17:1
Contrast with white5.17:1WCAG normal text: AA
Contrast with black4.06:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#4DB3A8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.17:1WCAG large text: AAA
Contrast with black, large text4.06:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4CB2A7
Analogous#B24C8A, #B2744C
Triadic#57B24C, #4C57B2
Split complementary#4CB274, #4C8AB2
Tetradic#8AB24C, #4CB2A7, #744CB2
Tints, shades & saturation
Channel breakdown
R178
G76
B87
Red178 (69.8%)
Green76 (29.8%)
Blue87 (34.1%)
Hue353.53°
Saturation (HSL)40.16%
Lightness49.8%
Dominant channelRed
Hex per channelR B2 · G 4C · B 57
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Harmonies
Similar named colours
Also reads as
B24C57 (chemical formula)
- Formula
- 944.067 g/mol
- 81 atoms
B24C57 has a molar mass of 944.067 g/mol, made up of 81 atoms across 2 elements: 24 × B, 57 × C.
Molar mass
Molar mass944.067 g/mol
Total atoms per molecule81
Distinct elements2
Mass of one molecule1.5676601 × 10^-21 g
Molecules per gram6.3789337 × 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
B27.5%
C72.5%
Boron (B × 24)259.44 g/mol, 27.481%
Carbon (C × 57)684.627 g/mol, 72.519%
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