Recognised as Colour

#B72759

#B72759
Red
Dark
Nearest: Indian red

#B72759 is a red with RGB values 183, 39, 89 and HSL 339°, 65%, 44%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B72759#B72759

HEX#B72759

RGBrgb(183, 39, 89)

RGB (0–1)0.7176, 0.1529, 0.349

RGB percentages71.8%, 15.3%, 34.9%

HSLhsl(339.2, 64.9%, 43.5%)

HSV / HSBhsv(339.2, 78.7%, 71.8%)

CMYK0%, 78.7%, 51.4%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,003,161

CSS custom property--colour: #B72759;

Brightness & contrast

Relative luminance0.1224WCAG 2.x, 0 is black and 1 is white

Perceived brightness108.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.09:1

Contrast with white6.09:1WCAG normal text: AA

Contrast with black3.45:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#48D8A6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C505Ano red cones; affects about 1% of men; ΔE 60.3 from the original

Deuteranopia#726C56no green cones; the most common form, about 1% of men; ΔE 61 from the original

Tritanopia#C8003Dno blue cones; rare, and affects men and women equally; ΔE 21.1 from the original

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

Contrast with white, large text6.09:1WCAG large text: AAA

Contrast with black, large text3.45:1WCAG large text: AA

Named colours

Indian red · ΔE 23.7 Pale violetred · ΔE 24.2 Brown · ΔE 25.5 Medium violet red · ΔE 25.5 Crimson · ΔE 29.5 Hot pink · ΔE 30.2

Nearest named CSS colourIndian red (#CD5C5C)ΔE 23.74, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27B785

Analogous#B727A1, #B73D27

Triadic#59B727, #2759B7

Split complementary#27B73D, #27A1B7

Tetradic#A1B727, #27B785, #3D27B7

Tints, shades & saturation

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

Lighter +40%#F0BACD

Lighter +30%#E790AE

Lighter +20%#DE6690

Lighter +10%#D53C71

Darker −10%#8D1E45

Darker −20%#631530

Darker −30%#390C1C

Darker −40%#0F0307

More saturated +25%#D30B51

Less saturated −25%#9B4361

Channel breakdown

R183

G39

B89

Red183 (71.8%)

Green39 (15.3%)

Blue89 (34.9%)

Hue339.17°

Saturation (HSL)64.86%

Lightness43.53%

Dominant channelRed

Hex per channelR B7 · G 27 · B 59

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B72759 (chemical formula)

Formula
786,524.79 g/mol
72759 atoms

B72759 has a molar mass of 786,524.79 g/mol, made up of 72759 atoms across 1 element: 72759 × B.

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Molar mass

Molar mass786,524.79 g/mol

Total atoms per molecule72759

Distinct elements1

Mass of one molecule1.3060551 × 10^-18 g

Molecules per gram7.6566446 × 10^17

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 × 72759)786,524.79 g/mol, 100%

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Elements in this formula

Boron

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