Recognised as Colour
#B22732
- #B22732
- Red
- Dark
- Nearest: Brown
#B22732 is a red with RGB values 178, 39, 50 and HSL 355°, 64%, 43%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#B22732#B22732
HEX#B22732
RGBrgb(178, 39, 50)
RGB (0–1)0.698, 0.1529, 0.1961
RGB percentages69.8%, 15.3%, 19.6%
HSLhsl(355.3, 64.1%, 42.5%)
HSV / HSBhsv(355.3, 78.1%, 69.8%)
CMYK0%, 78.1%, 71.9%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,675,442
CSS custom property--colour: #B22732;
Brightness & contrast
Relative luminance0.11146WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.5:1
Contrast with white6.5:1WCAG normal text: AA
Contrast with black3.23:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#4DD8CD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.5:1WCAG large text: AAA
Contrast with black, large text3.23:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#27B2A7
Analogous#B22778, #B26227
Triadic#32B227, #2732B2
Split complementary#27B262, #2777B2
Tetradic#77B227, #27B2A7, #6127B2
Tints, shades & saturation
Channel breakdown
R178
G39
B50
Red178 (69.8%)
Green39 (15.3%)
Blue50 (19.6%)
Hue355.25°
Saturation (HSL)64.06%
Lightness42.55%
Dominant channelRed
Hex per channelR B2 · G 27 · B 32
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Also reads as
B22732 (chemical formula)
- Formula
- 245,732.92 g/mol
- 22732 atoms
B22732 has a molar mass of 245,732.92 g/mol, made up of 22732 atoms across 1 element: 22732 × B.
Molar mass
Molar mass245,732.92 g/mol
Total atoms per molecule22732
Distinct elements1
Mass of one molecule4.0804911 × 10^-19 g
Molecules per gram2.4506854 × 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 × 22732)245,732.92 g/mol, 100%
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