Recognised as Colour

#AC40FF

#AC40FF
Violet
Dark
Nearest: Blue violet

#AC40FF is a violet with RGB values 172, 64, 255 and HSL 274°, 100%, 63%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#AC40FF#AC40FF

HEX#AC40FF

RGBrgb(172, 64, 255)

RGB (0–1)0.6745, 0.251, 1

RGB percentages67.5%, 25.1%, 100%

HSLhsl(273.9, 100%, 62.5%)

HSV / HSBhsv(273.9, 74.9%, 100%)

CMYK32.5%, 74.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,288,831

CSS custom property--colour: #AC40FF;

Brightness & contrast

Relative luminance0.19657WCAG 2.x, 0 is black and 1 is white

Perceived brightness136.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.93:1

Contrast with white4.26:1WCAG normal text: Fail

Contrast with black4.93:1WCAG normal text: AA

Greyscale equivalent#656565

Inverted#53BF00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0078FFno red cones; affects about 1% of men; ΔE 50.2 from the original

Deuteranopia#007BFBno green cones; the most common form, about 1% of men; ΔE 53.8 from the original

Tritanopia#9D709Eno blue cones; rare, and affects men and women equally; ΔE 75.4 from the original

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

Contrast with white, large text4.26:1WCAG large text: AA

Contrast with black, large text4.93:1WCAG large text: AAA

Named colours

Blue violet · ΔE 10.2 Dark violet · ΔE 13.2 Dark orchid · ΔE 19.7 Fuchsia · ΔE 29.8 Magenta · ΔE 29.8 Medium blue · ΔE 31.5

Nearest named CSS colourBlue violet (#8A2BE2)ΔE 10.2, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#93FF40

Analogous#4C40FF, #FF40F3

Triadic#FFAC40, #40FFAC

Split complementary#F3FF40, #40FF4C

Tetradic#FF4C40, #93FF40, #40F3FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#EED9FF

Lighter +20%#D8A6FF

Lighter +10%#C273FF

Darker −10%#960DFF

Darker −20%#7B00D9

Darker −30%#5E00A6

Darker −40%#410073

More saturated +25%#AC40FF

Less saturated −25%#A958E7

Channel breakdown

R172

G64

B255

Red172 (67.5%)

Green64 (25.1%)

Blue255 (100%)

Hue273.93°

Saturation (HSL)100%

Lightness62.55%

Dominant channelBlue

Hex per channelR AC · G 40 · B FF

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac40FF (chemical formula)

Formula
9,117.996 g/mol
42 atoms

Ac40FF has a molar mass of 9,117.996 g/mol, made up of 42 atoms across 2 elements: 40 × Ac, 2 × F.

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Molar mass

Molar mass9,117.996 g/mol

Total atoms per molecule42

Distinct elements2

Mass of one molecule1.5140789 × 10^-20 g

Molecules per gram6.6046758 × 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

Ac99.6%

F0.4%

Actinium (Ac × 40)9,080 g/mol, 99.583%

Fluorine (F × 2)37.996 g/mol, 0.417%

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