Recognised as Colour

#BB74CA

#BB74CA
Violet
Dark
Nearest: Orchid

#BB74CA is a violet with RGB values 187, 116, 202 and HSL 290°, 45%, 62%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Orchid.

Colour values

#BB74CA#BB74CA

HEX#BB74CA

RGBrgb(187, 116, 202)

RGB (0–1)0.7333, 0.4549, 0.7922

RGB percentages73.3%, 45.5%, 79.2%

HSLhsl(289.5, 44.8%, 62.4%)

HSV / HSBhsv(289.5, 42.6%, 79.2%)

CMYK7.4%, 42.6%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,285,130

CSS custom property--colour: #BB74CA;

Brightness & contrast

Relative luminance0.2732WCAG 2.x, 0 is black and 1 is white

Perceived brightness151.7 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#898989

Inverted#448B35

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#688ACDno red cones; affects about 1% of men; ΔE 35.7 from the original

Deuteranopia#7B91C7no green cones; the most common form, about 1% of men; ΔE 36.4 from the original

Tritanopia#BC7F95no blue cones; rare, and affects men and women equally; ΔE 34.8 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

Orchid · ΔE 13.8 Medium purple · ΔE 18 Violet · ΔE 18.1 Plum · ΔE 20.5 Medium orchid · ΔE 22.8 Slate blue · ΔE 28.7

Nearest named CSS colourOrchid (#DA70D6)ΔE 13.83, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#83CA74

Analogous#9074CA, #CA74AE

Triadic#CABB74, #74CABB

Split complementary#AECA74, #74CA90

Tetradic#CA9074, #83CA74, #74AECA

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F1E3F4

Lighter +20%#DFBEE6

Lighter +10%#CD99D8

Darker −10%#A94FBC

Darker −20%#8B3C9C

Darker −30%#6B2E77

Darker −40%#4A1F53

More saturated +25%#CB5CE2

Less saturated −25%#AB8CB2

Channel breakdown

R187

G116

B202

Red187 (73.3%)

Green116 (45.5%)

Blue202 (79.2%)

Hue289.53°

Saturation (HSL)44.79%

Lightness62.35%

Dominant channelBlue

Hex per channelR BB · G 74 · B CA

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB74Ca (chemical formula)

Formula
850.828 g/mol
76 atoms

BB74Ca has a molar mass of 850.828 g/mol, made up of 76 atoms across 2 elements: 75 × B, 1 × Ca.

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Molar mass

Molar mass850.828 g/mol

Total atoms per molecule76

Distinct elements2

Mass of one molecule1.4128331 × 10^-21 g

Molecules per gram7.0779767 × 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

B95.3%

Ca4.7%

Boron (B × 75)810.75 g/mol, 95.29%

Calcium (Ca)40.078 g/mol, 4.71%

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Elements in this formula

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