Recognised as Colour

#CB56FF

#CB56FF
Violet
Dark
Nearest: Dark orchid

#CB56FF is a violet with RGB values 203, 86, 255 and HSL 282°, 100%, 67%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#CB56FF#CB56FF

HEX#CB56FF

RGBrgb(203, 86, 255)

RGB (0–1)0.7961, 0.3373, 1

RGB percentages79.6%, 33.7%, 100%

HSLhsl(281.5, 100%, 66.9%)

HSV / HSBhsv(281.5, 66.3%, 100%)

CMYK20.4%, 66.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,326,079

CSS custom property--colour: #CB56FF;

Brightness & contrast

Relative luminance0.26572WCAG 2.x, 0 is black and 1 is white

Perceived brightness155.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.31:1

Contrast with white3.33:1WCAG normal text: Fail

Contrast with black6.31:1WCAG normal text: AA

Greyscale equivalent#7B7B7B

Inverted#34A900

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0087FFno red cones; affects about 1% of men; ΔE 56.8 from the original

Deuteranopia#4C90FBno green cones; the most common form, about 1% of men; ΔE 58.3 from the original

Tritanopia#C678A4no blue cones; rare, and affects men and women equally; ΔE 63.7 from the original

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

Contrast with white, large text3.33:1WCAG large text: AA

Contrast with black, large text6.31:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 16.8 Blue violet · ΔE 19.6 Dark violet · ΔE 20.7 Medium orchid · ΔE 21.1 Fuchsia · ΔE 27.4 Magenta · ΔE 27.4

Nearest named CSS colourDark orchid (#9932CC)ΔE 16.8, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8AFF56

Analogous#7756FF, #FF56DE

Triadic#FFCB56, #56FFCB

Split complementary#DEFF56, #56FF77

Tetradic#FF7756, #8AFF56, #56DEFF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FAEFFF

Lighter +20%#EABCFF

Lighter +10%#DB89FF

Darker −10%#BB23FF

Darker −20%#A500EF

Darker −30%#8200BC

Darker −40%#5F0089

More saturated +25%#CB56FF

Less saturated −25%#C36BEA

Channel breakdown

R203

G86

B255

Red203 (79.6%)

Green86 (33.7%)

Blue255 (100%)

Hue281.54°

Saturation (HSL)100%

Lightness66.86%

Dominant channelBlue

Hex per channelR CB · G 56 · B FF

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB56FF (chemical formula)

Formula
655.367 g/mol
59 atoms

CB56FF has a molar mass of 655.367 g/mol, made up of 59 atoms across 3 elements: 1 × C, 56 × B, 2 × F.

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Molar mass

Molar mass655.367 g/mol

Total atoms per molecule59

Distinct elements3

Mass of one molecule1.0882625 × 10^-21 g

Molecules per gram9.1889594 × 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

C1.8%

B92.4%

F5.8%

Carbon (C)12.011 g/mol, 1.833%

Boron (B × 56)605.36 g/mol, 92.37%

Fluorine (F × 2)37.996 g/mol, 5.798%

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Elements in this formula

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