Recognised as Colour

#B3399B

#B3399B
Magenta
Dark
Nearest: Medium violet red

#B3399B is a magenta with RGB values 179, 57, 155 and HSL 312°, 52%, 46%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#B3399B#B3399B

HEX#B3399B

RGBrgb(179, 57, 155)

RGB (0–1)0.702, 0.2235, 0.6078

RGB percentages70.2%, 22.4%, 60.8%

HSLhsl(311.8, 51.7%, 46.3%)

HSV / HSBhsv(311.8, 68.2%, 70.2%)

CMYK0%, 68.2%, 13.4%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,745,691

CSS custom property--colour: #B3399B;

Brightness & contrast

Relative luminance0.14877WCAG 2.x, 0 is black and 1 is white

Perceived brightness119.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.28:1

Contrast with white5.28:1WCAG normal text: AA

Contrast with black3.98:1WCAG normal text: Fail

Greyscale equivalent#5A5A5A

Inverted#4CC664

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3C609Eno red cones; affects about 1% of men; ΔE 53.5 from the original

Deuteranopia#637298no green cones; the most common form, about 1% of men; ΔE 55.8 from the original

Tritanopia#BC4065no blue cones; rare, and affects men and women equally; ΔE 34.5 from the original

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

Contrast with white, large text5.28:1WCAG large text: AAA

Contrast with black, large text3.98:1WCAG large text: AA

Named colours

Medium violet red · ΔE 17 Dark magenta · ΔE 17.2 Purple · ΔE 18 Orchid · ΔE 19.1 Medium orchid · ΔE 21.3 Violet · ΔE 26.1

Nearest named CSS colourMedium violet red (#C71585)ΔE 17.01, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#39B351

Analogous#8E39B3, #B3395E

Triadic#9BB339, #399BB3

Split complementary#5EB339, #39B38E

Tetradic#B38E39, #39B351, #395EB3

Tints, shades & saturation

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

Lighter +40%#EECAE7

Lighter +30%#E2A3D5

Lighter +20%#D57DC4

Lighter +10%#C956B2

Darker −10%#8C2D7A

Darker −20%#662058

Darker −30%#3F1437

Darker −40%#180815

More saturated +25%#D11CAD

Less saturated −25%#955689

Channel breakdown

R179

G57

B155

Red179 (70.2%)

Green57 (22.4%)

Blue155 (60.8%)

Hue311.8°

Saturation (HSL)51.69%

Lightness46.27%

Dominant channelRed

Hex per channelR B3 · G 39 · B 9B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B3399B (chemical formula)

Formula
36,754 g/mol
3400 atoms

B3399B has a molar mass of 36,754 g/mol, made up of 3400 atoms across 1 element: 3400 × B.

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Molar mass

Molar mass36,754 g/mol

Total atoms per molecule3400

Distinct elements1

Mass of one molecule6.1031453 × 10^-20 g

Molecules per gram1.6384994 × 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

B100%

Boron (B × 3400)36,754 g/mol, 100%

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Elements in this formula

Boron

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