Recognised as Colour

#B549CD

#B549CD
Violet
Dark
Nearest: Medium orchid

#B549CD is a violet with RGB values 181, 73, 205 and HSL 289°, 57%, 55%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#B549CD#B549CD

HEX#B549CD

RGBrgb(181, 73, 205)

RGB (0–1)0.7098, 0.2863, 0.8039

RGB percentages71%, 28.6%, 80.4%

HSLhsl(289.1, 56.9%, 54.5%)

HSV / HSBhsv(289.1, 64.4%, 80.4%)

CMYK11.7%, 64.4%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,880,909

CSS custom property--colour: #B549CD;

Brightness & contrast

Relative luminance0.18997WCAG 2.x, 0 is black and 1 is white

Perceived brightness133.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.8:1

Contrast with white4.38:1WCAG normal text: Fail

Contrast with black4.8:1WCAG normal text: AA

Greyscale equivalent#696969

Inverted#4AB632

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2171D1no red cones; affects about 1% of men; ΔE 50.9 from the original

Deuteranopia#547CCAno green cones; the most common form, about 1% of men; ΔE 52.6 from the original

Tritanopia#B66085no blue cones; rare, and affects men and women equally; ΔE 49.6 from the original

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

Contrast with white, large text4.38:1WCAG large text: AA

Contrast with black, large text4.8:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 4.4 Dark orchid · ΔE 13.9 Orchid · ΔE 19.9 Dark magenta · ΔE 20.7 Violet · ΔE 23.1 Purple · ΔE 24.4

Nearest named CSS colourMedium orchid (#BA55D3)ΔE 4.41, a close match

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#61CD49

Analogous#7349CD, #CD49A3

Triadic#CDB549, #49CDB5

Split complementary#A3CD49, #49CD73

Tetradic#CD7349, #61CD49, #49A3CD

Tints, shades & saturation

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

Lighter +40%#F6E9F9

Lighter +30%#E6C1EE

Lighter +20%#D699E3

Lighter +10%#C571D8

Darker −10%#9B31B2

Darker −20%#78268A

Darker −30%#551B62

Darker −40%#32103A

More saturated +25%#C72CEA

Less saturated −25%#A366B0

Channel breakdown

R181

G73

B205

Red181 (71%)

Green73 (28.6%)

Blue205 (80.4%)

Hue289.09°

Saturation (HSL)56.9%

Lightness54.51%

Dominant channelBlue

Hex per channelR B5 · G 49 · B CD

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B549Cd (chemical formula)

Formula
6,047.1 g/mol
550 atoms

B549Cd has a molar mass of 6,047.1 g/mol, made up of 550 atoms across 2 elements: 549 × B, 1 × Cd.

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Molar mass

Molar mass6,047.1 g/mol

Total atoms per molecule550

Distinct elements2

Mass of one molecule1.0041446 × 10^-20 g

Molecules per gram9.9587253 × 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

B98.1%

Cd1.9%

Boron (B × 549)5,934.69 g/mol, 98.141%

Cadmium (Cd)112.41 g/mol, 1.859%

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Elements in this formula

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