Recognised as Colour

#BF91DB

#BF91DB
Violet
Dark
Nearest: Plum

#BF91DB is a violet with RGB values 191, 145, 219 and HSL 277°, 51%, 71%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Plum.

Colour values

#BF91DB#BF91DB

HEX#BF91DB

RGBrgb(191, 145, 219)

RGB (0–1)0.749, 0.5686, 0.8588

RGB percentages74.9%, 56.9%, 85.9%

HSLhsl(277.3, 50.7%, 71.4%)

HSV / HSBhsv(277.3, 33.8%, 85.9%)

CMYK12.8%, 33.8%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,554,715

CSS custom property--colour: #BF91DB;

Brightness & contrast

Relative luminance0.36442WCAG 2.x, 0 is black and 1 is white

Perceived brightness169.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.29:1

Contrast with white2.53:1WCAG normal text: Fail

Contrast with black8.29:1WCAG normal text: AAA

Greyscale equivalent#A0A0A0

Inverted#406E24

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#84A0DEno red cones; affects about 1% of men; ΔE 25.2 from the original

Deuteranopia#8FA4D9no green cones; the most common form, about 1% of men; ΔE 25.6 from the original

Tritanopia#BC9BACno blue cones; rare, and affects men and women equally; ΔE 31.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.53:1WCAG large text: Fail

Contrast with black, large text8.29:1WCAG large text: AAA

Named colours

Plum · ΔE 11.4 Medium purple · ΔE 23.2 Orchid · ΔE 25 Violet · ΔE 26.3 Cornflower blue · ΔE 28.5 Thistle · ΔE 31.1

Nearest named CSS colourPlum (#DDA0DD)ΔE 11.37, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#ADDB91

Analogous#9A91DB, #DB91D2

Triadic#DBBF91, #91DBBF

Split complementary#D2DB91, #91DB9A

Tetradic#DB9A91, #ADDB91, #91D2DB

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#ECDEF4

Lighter +10%#D5B7E8

Darker −10%#A96BCE

Darker −20%#9244C2

Darker −30%#77349F

Darker −40%#5A2779

More saturated +25%#C37FED

Less saturated −25%#BBA3C9

Channel breakdown

R191

G145

B219

Red191 (74.9%)

Green145 (56.9%)

Blue219 (85.9%)

Hue277.3°

Saturation (HSL)50.68%

Lightness71.37%

Dominant channelBlue

Hex per channelR BF · G 91 · B DB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BF91Db (chemical formula)

Formula
2,007.628 g/mol
93 atoms

BF91Db has a molar mass of 2,007.628 g/mol, made up of 93 atoms across 3 elements: 1 × B, 91 × F, 1 × Db.

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Molar mass

Molar mass2,007.628 g/mol

Total atoms per molecule93

Distinct elements3

Mass of one molecule3.3337447 × 10^-21 g

Molecules per gram2.9996298 × 10^20

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

B0.5%

F86.1%

Db13.3%

Boron (B)10.81 g/mol, 0.538%

Fluorine (F × 91)1,728.818 g/mol, 86.112%

Dubnium (Db)268 g/mol, 13.349%

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