Recognised as Colour

#B173CD

#B173CD
Violet
Dark
Nearest: Medium purple

#B173CD is a violet with RGB values 177, 115, 205 and HSL 281°, 47%, 63%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Medium purple.

Colour values

#B173CD#B173CD

HEX#B173CD

RGBrgb(177, 115, 205)

RGB (0–1)0.6941, 0.451, 0.8039

RGB percentages69.4%, 45.1%, 80.4%

HSLhsl(281.3, 47.4%, 62.7%)

HSV / HSBhsv(281.3, 43.9%, 80.4%)

CMYK13.7%, 43.9%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,629,517

CSS custom property--colour: #B173CD;

Brightness & contrast

Relative luminance0.26016WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.2:1

Contrast with white3.39:1WCAG normal text: Fail

Contrast with black6.2:1WCAG normal text: AA

Greyscale equivalent#878787

Inverted#4E8C32

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6288D0no red cones; affects about 1% of men; ΔE 33.1 from the original

Deuteranopia#738DCAno green cones; the most common form, about 1% of men; ΔE 33.5 from the original

Tritanopia#AF8096no blue cones; rare, and affects men and women equally; ΔE 37.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.39:1WCAG large text: AA

Contrast with black, large text6.2:1WCAG large text: AAA

Named colours

Medium purple · ΔE 13.7 Orchid · ΔE 16.1 Violet · ΔE 20 Medium orchid · ΔE 22 Plum · ΔE 22.8 Slate blue · ΔE 24.6

Nearest named CSS colourMedium purple (#9370DB)ΔE 13.75, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8FCD73

Analogous#8473CD, #CD73BC

Triadic#CDB173, #73CDB1

Split complementary#BCCD73, #73CD84

Tetradic#CD8473, #8FCD73, #73BCCD

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F0E4F5

Lighter +20%#DBBEE8

Lighter +10%#C699DA

Darker −10%#9C4DC0

Darker −20%#8139A1

Darker −30%#622C7B

Darker −40%#441F55

More saturated +25%#BA5BE5

Less saturated −25%#A88BB5

Channel breakdown

R177

G115

B205

Red177 (69.4%)

Green115 (45.1%)

Blue205 (80.4%)

Hue281.33°

Saturation (HSL)47.37%

Lightness62.75%

Dominant channelBlue

Hex per channelR B1 · G 73 · B CD

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B173Cd (chemical formula)

Formula
1,982.54 g/mol
174 atoms

B173Cd has a molar mass of 1,982.54 g/mol, made up of 174 atoms across 2 elements: 173 × B, 1 × Cd.

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Molar mass

Molar mass1,982.54 g/mol

Total atoms per molecule174

Distinct elements2

Mass of one molecule3.2920851 × 10^-21 g

Molecules per gram3.0375885 × 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

B94.3%

Cd5.7%

Boron (B × 173)1,870.13 g/mol, 94.33%

Cadmium (Cd)112.41 g/mol, 5.67%

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