Recognised as Colour

#B33BDB

#B33BDB
Violet
Dark
Nearest: Dark orchid

#B33BDB is a violet with RGB values 179, 59, 219 and HSL 285°, 69%, 55%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#B33BDB#B33BDB

HEX#B33BDB

RGBrgb(179, 59, 219)

RGB (0–1)0.702, 0.2314, 0.8588

RGB percentages70.2%, 23.1%, 85.9%

HSLhsl(285, 69%, 54.5%)

HSV / HSBhsv(285, 73.1%, 85.9%)

CMYK18.3%, 73.1%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,746,267

CSS custom property--colour: #B33BDB;

Brightness & contrast

Relative luminance0.17826WCAG 2.x, 0 is black and 1 is white

Perceived brightness130.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.6:1

Contrast with white4.6:1WCAG normal text: AA

Contrast with black4.57:1WCAG normal text: AA

Greyscale equivalent#606060

Inverted#4CC424

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#006EDFno red cones; affects about 1% of men; ΔE 52.4 from the original

Deuteranopia#3A78D7no green cones; the most common form, about 1% of men; ΔE 57.7 from the original

Tritanopia#B05D88no blue cones; rare, and affects men and women equally; ΔE 59 from the original

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

Contrast with white, large text4.6:1WCAG large text: AAA

Contrast with black, large text4.57:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 7.6 Dark violet · ΔE 16.3 Medium orchid · ΔE 16.4 Blue violet · ΔE 17.3 Dark magenta · ΔE 27.2 Medium slateblue · ΔE 29.6

Nearest named CSS colourDark orchid (#9932CC)ΔE 7.6, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#63DB3B

Analogous#633BDB, #DB3BB3

Triadic#DBB33B, #3BDBB3

Split complementary#B3DB3B, #3BDB63

Tetradic#DB633B, #63DB3B, #3BB3DB

Tints, shades & saturation

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

Lighter +40%#F6E7FB

Lighter +30%#E5BCF3

Lighter +20%#D491EB

Lighter +10%#C466E3

Darker −10%#9923C0

Darker −20%#761B95

Darker −30%#54136A

Darker −40%#320B3F

More saturated +25%#C21EF8

Less saturated −25%#A458BE

Channel breakdown

R179

G59

B219

Red179 (70.2%)

Green59 (23.1%)

Blue219 (85.9%)

Hue285°

Saturation (HSL)68.97%

Lightness54.51%

Dominant channelBlue

Hex per channelR B3 · G 3B · B DB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B33BDb (chemical formula)

Formula
635.54 g/mol
35 atoms

B33BDb has a molar mass of 635.54 g/mol, made up of 35 atoms across 2 elements: 34 × B, 1 × Db.

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Molar mass

Molar mass635.54 g/mol

Total atoms per molecule35

Distinct elements2

Mass of one molecule1.055339 × 10^-21 g

Molecules per gram9.4756282 × 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

B57.8%

Db42.2%

Boron (B × 34)367.54 g/mol, 57.831%

Dubnium (Db)268 g/mol, 42.169%

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