Recognised as Colour

#B43774

#B43774
Red
Dark
Nearest: Medium violet red

#B43774 is a red with RGB values 180, 55, 116 and HSL 331°, 53%, 46%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#B43774#B43774

HEX#B43774

RGBrgb(180, 55, 116)

RGB (0–1)0.7059, 0.2157, 0.4549

RGB percentages70.6%, 21.6%, 45.5%

HSLhsl(330.7, 53.2%, 46.1%)

HSV / HSBhsv(330.7, 69.4%, 70.6%)

CMYK0%, 69.4%, 35.6%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,810,676

CSS custom property--colour: #B43774;

Brightness & contrast

Relative luminance0.13697WCAG 2.x, 0 is black and 1 is white

Perceived brightness114 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.62:1

Contrast with white5.62:1WCAG normal text: AA

Contrast with black3.74:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#4BC88B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4D5976no red cones; affects about 1% of men; ΔE 54 from the original

Deuteranopia#707071no green cones; the most common form, about 1% of men; ΔE 55.6 from the original

Tritanopia#C22C51no blue cones; rare, and affects men and women equally; ΔE 22.9 from the original

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

Contrast with white, large text5.62:1WCAG large text: AAA

Contrast with black, large text3.74:1WCAG large text: AA

Named colours

Medium violet red · ΔE 17.9 Pale violetred · ΔE 20.6 Hot pink · ΔE 23.8 Deep pink · ΔE 31.6 Indian red · ΔE 32 Purple · ΔE 33.3

Nearest named CSS colourMedium violet red (#C71585)ΔE 17.88, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#37B477

Analogous#B437B2, #B43937

Triadic#74B437, #3774B4

Split complementary#37B439, #37B2B4

Tetradic#B2B437, #37B477, #3937B4

Tints, shades & saturation

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

Lighter +40%#EEC9DB

Lighter +30%#E2A2C1

Lighter +20%#D77AA7

Lighter +10%#CB538E

Darker −10%#8D2B5B

Darker −20%#661F42

Darker −30%#3F1328

Darker −40%#18070F

More saturated +25%#D11A73

Less saturated −25%#975475

Channel breakdown

R180

G55

B116

Red180 (70.6%)

Green55 (21.6%)

Blue116 (45.5%)

Hue330.72°

Saturation (HSL)53.19%

Lightness46.08%

Dominant channelRed

Hex per channelR B4 · G 37 · B 74

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B43774 (chemical formula)

Formula
473,196.94 g/mol
43774 atoms

B43774 has a molar mass of 473,196.94 g/mol, made up of 43774 atoms across 1 element: 43774 × B.

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Molar mass

Molar mass473,196.94 g/mol

Total atoms per molecule43774

Distinct elements1

Mass of one molecule7.8576201 × 10^-19 g

Molecules per gram1.27265 × 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 × 43774)473,196.94 g/mol, 100%

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Elements in this formula

Boron

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