Recognised as Colour

#B53366

#B53366
Red
Dark
Nearest: Pale violetred

#B53366 is a red with RGB values 181, 51, 102 and HSL 336°, 56%, 45%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Pale violetred.

Colour values

#B53366#B53366

HEX#B53366

RGBrgb(181, 51, 102)

RGB (0–1)0.7098, 0.2, 0.4

RGB percentages71%, 20%, 40%

HSLhsl(336.5, 56%, 45.5%)

HSV / HSBhsv(336.5, 71.8%, 71%)

CMYK0%, 71.8%, 43.6%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,875,174

CSS custom property--colour: #B53366;

Brightness & contrast

Relative luminance0.13151WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.78:1

Contrast with white5.78:1WCAG normal text: AA

Contrast with black3.63:1WCAG normal text: Fail

Greyscale equivalent#525252

Inverted#4ACC99

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F5667no red cones; affects about 1% of men; ΔE 55.9 from the original

Deuteranopia#726F63no green cones; the most common form, about 1% of men; ΔE 57.2 from the original

Tritanopia#C42048no blue cones; rare, and affects men and women equally; ΔE 20.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.78:1WCAG large text: AAA

Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Pale violetred · ΔE 20.3 Medium violet red · ΔE 22.3 Indian red · ΔE 25.9 Hot pink · ΔE 26.7 Brown · ΔE 30.7 Deep pink · ΔE 32.4

Nearest named CSS colourPale violetred (#DB7093)ΔE 20.3, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#33B582

Analogous#B533A7, #B54133

Triadic#66B533, #3366B5

Split complementary#33B541, #33A7B5

Tetradic#A7B533, #33B582, #4133B5

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#EFC5D6

Lighter +30%#E49DB9

Lighter +20%#D8769C

Lighter +10%#CD4E80

Darker −10%#8D2850

Darker −20%#651D39

Darker −30%#3E1123

Darker −40%#16060C

More saturated +25%#D21660

Less saturated −25%#98506C

Channel breakdown

R181

G51

B102

Red181 (71%)

Green51 (20%)

Blue102 (40%)

Hue336.46°

Saturation (HSL)56.03%

Lightness45.49%

Dominant channelRed

Hex per channelR B5 · G 33 · B 66

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B53366 (chemical formula)

Formula
576,886.46 g/mol
53366 atoms

B53366 has a molar mass of 576,886.46 g/mol, made up of 53366 atoms across 1 element: 53366 × B.

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Molar mass

Molar mass576,886.46 g/mol

Total atoms per molecule53366

Distinct elements1

Mass of one molecule9.579425 × 10^-19 g

Molecules per gram1.043904 × 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 × 53366)576,886.46 g/mol, 100%

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Elements in this formula

Boron

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