Recognised as Colour

#B740CB

#B740CB
Magenta
Dark
Nearest: Medium orchid

#B740CB is a magenta with RGB values 183, 64, 203 and HSL 291°, 57%, 52%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#B740CB#B740CB

HEX#B740CB

RGBrgb(183, 64, 203)

RGB (0–1)0.7176, 0.251, 0.7961

RGB percentages71.8%, 25.1%, 79.6%

HSLhsl(291.4, 57.2%, 52.4%)

HSV / HSBhsv(291.4, 68.5%, 79.6%)

CMYK9.9%, 68.5%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,009,675

CSS custom property--colour: #B740CB;

Brightness & contrast

Relative luminance0.18046WCAG 2.x, 0 is black and 1 is white

Perceived brightness130.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.61:1

Contrast with white4.56:1WCAG normal text: AA

Contrast with black4.61:1WCAG normal text: AA

Greyscale equivalent#636363

Inverted#48BF34

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0C6DCFno red cones; affects about 1% of men; ΔE 54.1 from the original

Deuteranopia#517AC8no green cones; the most common form, about 1% of men; ΔE 56.4 from the original

Tritanopia#B95981no blue cones; rare, and affects men and women equally; ΔE 50.7 from the original

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

Contrast with white, large text4.56:1WCAG large text: AAA

Contrast with black, large text4.61:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 8.1 Dark orchid · ΔE 12.4 Dark magenta · ΔE 20.3 Orchid · ΔE 22.6 Purple · ΔE 24.6 Dark violet · ΔE 25.5

Nearest named CSS colourMedium orchid (#BA55D3)ΔE 8.11, clearly different but related

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#54CB40

Analogous#7140CB, #CB409A

Triadic#CBB740, #40CBB7

Split complementary#99CB40, #40CB71

Tetradic#CB7240, #54CB40, #409ACB

Tints, shades & saturation

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

Lighter +40%#F3E0F7

Lighter +30%#E4B8EC

Lighter +20%#D590E1

Lighter +10%#C668D6

Darker −10%#982EAA

Darker −20%#742382

Darker −30%#50185A

Darker −40%#2C0D32

More saturated +25%#CD22E9

Less saturated −25%#A15EAD

Channel breakdown

R183

G64

B203

Red183 (71.8%)

Green64 (25.1%)

Blue203 (79.6%)

Hue291.37°

Saturation (HSL)57.2%

Lightness52.35%

Dominant channelBlue

Hex per channelR B7 · G 40 · B CB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B740CB (chemical formula)

Formula
8,022.221 g/mol
742 atoms

B740CB has a molar mass of 8,022.221 g/mol, made up of 742 atoms across 2 elements: 741 × B, 1 × C.

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Molar mass

Molar mass8,022.221 g/mol

Total atoms per molecule742

Distinct elements2

Mass of one molecule1.3321211 × 10^-20 g

Molecules per gram7.5068248 × 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

B99.9%

C0.1%

Boron (B × 741)8,010.21 g/mol, 99.85%

Carbon (C)12.011 g/mol, 0.15%

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Elements in this formula

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