Recognised as Colour

#BB1B9C

#BB1B9C
Magenta
Dark
Nearest: Medium violet red

#BB1B9C is a magenta with RGB values 187, 27, 156 and HSL 312°, 75%, 42%. 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

#BB1B9C#BB1B9C

HEX#BB1B9C

RGBrgb(187, 27, 156)

RGB (0–1)0.7333, 0.1059, 0.6118

RGB percentages73.3%, 10.6%, 61.2%

HSLhsl(311.6, 74.8%, 42%)

HSV / HSBhsv(311.6, 85.6%, 73.3%)

CMYK0%, 85.6%, 16.6%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,262,300

CSS custom property--colour: #BB1B9C;

Brightness & contrast

Relative luminance0.13749WCAG 2.x, 0 is black and 1 is white

Perceived brightness116.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.6:1

Contrast with white5.6:1WCAG normal text: AA

Contrast with black3.75:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#44E463

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#26589Fno red cones; affects about 1% of men; ΔE 62.8 from the original

Deuteranopia#607099no green cones; the most common form, about 1% of men; ΔE 65.9 from the original

Tritanopia#C6275Eno blue cones; rare, and affects men and women equally; ΔE 40 from the original

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

Contrast with white, large text5.6:1WCAG large text: AAA

Contrast with black, large text3.75:1WCAG large text: AA

Named colours

Medium violet red · ΔE 15.6 Dark magenta · ΔE 15.8 Purple · ΔE 18.9 Medium orchid · ΔE 22.3 Orchid · ΔE 24.4 Dark orchid · ΔE 29.8

Nearest named CSS colourMedium violet red (#C71585)ΔE 15.56, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1BBB3A

Analogous#8A1BBB, #BB1B4C

Triadic#9CBB1B, #1B9CBB

Split complementary#4CBB1B, #1BBB8A

Tetradic#BB8A1B, #1BBB3A, #1B4CBB

Tints, shades & saturation

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

Lighter +40%#F3AFE6

Lighter +30%#ED82D8

Lighter +20%#E755CA

Lighter +10%#E029BD

Darker −10%#8E1577

Darker −20%#620E52

Darker −30%#35082C

Darker −40%#090107

More saturated +25%#D600AC

Less saturated −25%#A0368C

Channel breakdown

R187

G27

B156

Red187 (73.3%)

Green27 (10.6%)

Blue156 (61.2%)

Hue311.63°

Saturation (HSL)74.77%

Lightness41.96%

Dominant channelRed

Hex per channelR BB · G 1B · B 9C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB1B9C (chemical formula)

Formula
130.921 g/mol
12 atoms

BB1B9C has a molar mass of 130.921 g/mol, made up of 12 atoms across 2 elements: 11 × B, 1 × C.

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Molar mass

Molar mass130.921 g/mol

Total atoms per molecule12

Distinct elements2

Mass of one molecule2.1739944 × 10^-22 g

Molecules per gram4.599828 × 10^21

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

B90.8%

C9.2%

Boron (B × 11)118.91 g/mol, 90.826%

Carbon (C)12.011 g/mol, 9.174%

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