Recognised as Colour
#B52F46
- #B52F46
- Red
- Dark
- Nearest: Brown
#B52F46 is a red with RGB values 181, 47, 70 and HSL 350°, 59%, 45%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#B52F46#B52F46
HEX#B52F46
RGBrgb(181, 47, 70)
RGB (0–1)0.7098, 0.1843, 0.2745
RGB percentages71%, 18.4%, 27.5%
HSLhsl(349.7, 58.8%, 44.7%)
HSV / HSBhsv(349.7, 74%, 71%)
CMYK0%, 74%, 61.3%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,874,118
CSS custom property--colour: #B52F46;
Brightness & contrast
Relative luminance0.12299WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.07:1
Contrast with white6.07:1WCAG normal text: AA
Contrast with black3.46:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#4AD0B9
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.07:1WCAG large text: AAA
Contrast with black, large text3.46:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2FB59E
Analogous#B52F89, #B55B2F
Triadic#46B52F, #2F46B5
Split complementary#2FB55B, #2F89B5
Tetradic#89B52F, #2FB59E, #5B2FB5
Tints, shades & saturation
Channel breakdown
R181
G47
B70
Red181 (71%)
Green47 (18.4%)
Blue70 (27.5%)
Hue349.7°
Saturation (HSL)58.77%
Lightness44.71%
Dominant channelRed
Hex per channelR B5 · G 2F · B 46
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Also reads as
B52F46 (chemical formula)
- Formula
- 1,436.028 g/mol
- 98 atoms
B52F46 has a molar mass of 1,436.028 g/mol, made up of 98 atoms across 2 elements: 52 × B, 46 × F.
Molar mass
Molar mass1,436.028 g/mol
Total atoms per molecule98
Distinct elements2
Mass of one molecule2.3845806 × 10^-21 g
Molecules per gram4.1936096 × 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
B39.1%
F60.9%
Boron (B × 52)562.12 g/mol, 39.144%
Fluorine (F × 46)873.908 g/mol, 60.856%
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