Recognised as Colour

#B4129B

#B4129B
Magenta
Dark
Nearest: Dark magenta

#B4129B is a magenta with RGB values 180, 18, 155 and HSL 309°, 82%, 39%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dark magenta.

Colour values

#B4129B#B4129B

HEX#B4129B

RGBrgb(180, 18, 155)

RGB (0–1)0.7059, 0.0706, 0.6078

RGB percentages70.6%, 7.1%, 60.8%

HSLhsl(309.3, 81.8%, 38.8%)

HSV / HSBhsv(309.3, 90%, 70.6%)

CMYK0%, 90%, 13.9%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,801,243

CSS custom property--colour: #B4129B;

Brightness & contrast

Relative luminance0.12502WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6:1

Contrast with white6:1WCAG normal text: AA

Contrast with black3.5:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#4BED64

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#17549Eno red cones; affects about 1% of men; ΔE 62.1 from the original

Deuteranopia#586B98no green cones; the most common form, about 1% of men; ΔE 65.5 from the original

Tritanopia#BE255Cno blue cones; rare, and affects men and women equally; ΔE 41.2 from the original

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

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

Contrast with black, large text3.5:1WCAG large text: AA

Named colours

Dark magenta · ΔE 13.3 Purple · ΔE 16.9 Medium violet red · ΔE 18.2 Medium orchid · ΔE 21.5 Orchid · ΔE 25.6 Dark orchid · ΔE 27.5

Nearest named CSS colourDark magenta (#8B008B)ΔE 13.33, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#12B42B

Analogous#7C12B4, #B4124A

Triadic#9BB412, #129BB4

Split complementary#4AB412, #12B47C

Tetradic#B47C12, #12B42B, #124AB4

Tints, shades & saturation

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

Lighter +40%#F59DE8

Lighter +30%#F16EDC

Lighter +20%#EC40D1

Lighter +10%#E217C3

Darker −10%#860D73

Darker −20%#57094B

Darker −30%#290423

Darker −40%#000000

More saturated +25%#C600A7

Less saturated −25%#9B2B8A

Channel breakdown

R180

G18

B155

Red180 (70.6%)

Green18 (7.1%)

Blue155 (60.8%)

Hue309.26°

Saturation (HSL)81.82%

Lightness38.82%

Dominant channelRed

Hex per channelR B4 · G 12 · B 9B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B4129B (chemical formula)

Formula
44,645.3 g/mol
4130 atoms

B4129B has a molar mass of 44,645.3 g/mol, made up of 4130 atoms across 1 element: 4130 × B.

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Molar mass

Molar mass44,645.3 g/mol

Total atoms per molecule4130

Distinct elements1

Mass of one molecule7.4135265 × 10^-20 g

Molecules per gram1.3488857 × 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 × 4130)44,645.3 g/mol, 100%

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Elements in this formula

Boron

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