Recognised as Colour

#B104DB

#B104DB
Violet
Dark
Nearest: Dark violet

#B104DB is a violet with RGB values 177, 4, 219 and HSL 288°, 96%, 44%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dark violet.

Colour values

#B104DB#B104DB

HEX#B104DB

RGBrgb(177, 4, 219)

RGB (0–1)0.6941, 0.0157, 0.8588

RGB percentages69.4%, 1.6%, 85.9%

HSLhsl(288.3, 96.4%, 43.7%)

HSV / HSBhsv(288.3, 98.2%, 85.9%)

CMYK19.2%, 98.2%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,601,115

CSS custom property--colour: #B104DB;

Brightness & contrast

Relative luminance0.14548WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.37:1

Contrast with white5.37:1WCAG normal text: AA

Contrast with black3.91:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#4EFB24

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0062E0no red cones; affects about 1% of men; ΔE 55.4 from the original

Deuteranopia#036FD7no green cones; the most common form, about 1% of men; ΔE 67.3 from the original

Tritanopia#AE4B81no blue cones; rare, and affects men and women equally; ΔE 65.3 from the original

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

Contrast with white, large text5.37:1WCAG large text: AAA

Contrast with black, large text3.91:1WCAG large text: AA

Named colours

Dark violet · ΔE 8.5 Blue violet · ΔE 14.5 Dark orchid · ΔE 17 Fuchsia · ΔE 23.6 Magenta · ΔE 23.6 Medium orchid · ΔE 30

Nearest named CSS colourDark violet (#9400D3)ΔE 8.46, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2EDB04

Analogous#4604DB, #DB0499

Triadic#DBB104, #04DBB1

Split complementary#99DB04, #04DB46

Tetradic#DB4604, #2EDB04, #0499DB

Tints, shades & saturation

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

Lighter +40%#EEADFE

Lighter +30%#E37BFD

Lighter +20%#D949FC

Lighter +10%#CE17FB

Darker −10%#8903A9

Darker −20%#600277

Darker −30%#380145

Darker −40%#0F0013

More saturated +25%#B300DF

Less saturated −25%#A020BF

Channel breakdown

R177

B219

Red177 (69.4%)

Green4 (1.6%)

Blue219 (85.9%)

Hue288.28°

Saturation (HSL)96.41%

Lightness43.73%

Dominant channelBlue

Hex per channelR B1 · G 04 · B DB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B104Db (chemical formula)

Formula
1,392.24 g/mol
105 atoms

B104Db has a molar mass of 1,392.24 g/mol, made up of 105 atoms across 2 elements: 104 × B, 1 × Db.

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Molar mass

Molar mass1,392.24 g/mol

Total atoms per molecule105

Distinct elements2

Mass of one molecule2.3118689 × 10^-21 g

Molecules per gram4.3255048 × 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

B80.8%

Db19.2%

Boron (B × 104)1,124.24 g/mol, 80.75%

Dubnium (Db)268 g/mol, 19.25%

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