Recognised as Colour

#B179CA

#B179CA
Violet
Dark
Nearest: Medium purple

#B179CA is a violet with RGB values 177, 121, 202 and HSL 281°, 43%, 63%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Medium purple.

Colour values

#B179CA#B179CA

HEX#B179CA

RGBrgb(177, 121, 202)

RGB (0–1)0.6941, 0.4745, 0.7922

RGB percentages69.4%, 47.5%, 79.2%

HSLhsl(281.5, 43.3%, 63.3%)

HSV / HSBhsv(281.5, 40.1%, 79.2%)

CMYK12.4%, 40.1%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,631,050

CSS custom property--colour: #B179CA;

Brightness & contrast

Relative luminance0.27286WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.46:1

Contrast with white3.25:1WCAG normal text: Fail

Contrast with black6.46:1WCAG normal text: AA

Greyscale equivalent#8B8B8B

Inverted#4E8635

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B8BCDno red cones; affects about 1% of men; ΔE 29.7 from the original

Deuteranopia#7990C8no green cones; the most common form, about 1% of men; ΔE 30.3 from the original

Tritanopia#B08498no blue cones; rare, and affects men and women equally; ΔE 33.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.25:1WCAG large text: AA

Contrast with black, large text6.46:1WCAG large text: AAA

Named colours

Medium purple · ΔE 17.1 Plum · ΔE 18.6 Orchid · ΔE 19.4 Violet · ΔE 22.9 Medium orchid · ΔE 27.3 Slate blue · ΔE 27.9

Nearest named CSS colourMedium purple (#9370DB)ΔE 17.08, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#92CA79

Analogous#8979CA, #CA79BA

Triadic#CAB179, #79CAB1

Split complementary#BACA79, #79CA89

Tetradic#CA8979, #92CA79, #79BACA

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F1E7F5

Lighter +20%#DCC2E7

Lighter +10%#C69ED8

Darker −10%#9C54BC

Darker −20%#813F9E

Darker −30%#63307A

Darker −40%#452255

More saturated +25%#BA62E1

Less saturated −25%#A890B3

Channel breakdown

R177

G121

B202

Red177 (69.4%)

Green121 (47.5%)

Blue202 (79.2%)

Hue281.48°

Saturation (HSL)43.32%

Lightness63.33%

Dominant channelBlue

Hex per channelR B1 · G 79 · B CA

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B179Ca (chemical formula)

Formula
1,975.068 g/mol
180 atoms

B179Ca has a molar mass of 1,975.068 g/mol, made up of 180 atoms across 2 elements: 179 × B, 1 × Ca.

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Molar mass

Molar mass1,975.068 g/mol

Total atoms per molecule180

Distinct elements2

Mass of one molecule3.2796776 × 10^-21 g

Molecules per gram3.0490802 × 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

B98%

Ca2%

Boron (B × 179)1,934.99 g/mol, 97.971%

Calcium (Ca)40.078 g/mol, 2.029%

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