Recognised as Colour
#B5432B
- #B5432B
- Red
- Dark
- Nearest: Brown
#B5432B is a red with RGB values 181, 67, 43 and HSL 10°, 62%, 44%. 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
#B5432B#B5432B
HEX#B5432B
RGBrgb(181, 67, 43)
RGB (0–1)0.7098, 0.2627, 0.1686
RGB percentages71%, 26.3%, 16.9%
HSLhsl(10.4, 61.6%, 43.9%)
HSV / HSBhsv(10.4, 76.2%, 71%)
CMYK0%, 63%, 76.2%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,879,211
CSS custom property--colour: #B5432B;
Brightness & contrast
Relative luminance0.14012WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.52:1
Contrast with white5.52:1WCAG normal text: AA
Contrast with black3.8:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#4ABCD4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.52:1WCAG large text: AAA
Contrast with black, large text3.8:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2B9DB5
Analogous#B52B58, #B5882B
Triadic#2BB543, #432BB5
Split complementary#2BB588, #2B58B5
Tetradic#58B52B, #2B9DB5, #882BB5
Tints, shades & saturation
Channel breakdown
R181
G67
B43
Red181 (71%)
Green67 (26.3%)
Blue43 (16.9%)
Hue10.43°
Saturation (HSL)61.61%
Lightness43.92%
Dominant channelRed
Hex per channelR B5 · G 43 · B 2B
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Also reads as
B5432B (chemical formula)
- Formula
- 58,730.73 g/mol
- 5433 atoms
B5432B has a molar mass of 58,730.73 g/mol, made up of 5433 atoms across 1 element: 5433 × B.
Molar mass
Molar mass58,730.73 g/mol
Total atoms per molecule5433
Distinct elements1
Mass of one molecule9.7524672 × 10^-20 g
Molecules per gram1.0253816 × 10^19
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 × 5433)58,730.73 g/mol, 100%
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