Recognised as Colour

#AC2378

#AC2378
Magenta
Dark
Nearest: Medium violet red

#AC2378 is a magenta with RGB values 172, 35, 120 and HSL 323°, 66%, 41%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#AC2378#AC2378

HEX#AC2378

RGBrgb(172, 35, 120)

RGB (0–1)0.6745, 0.1373, 0.4706

RGB percentages67.5%, 13.7%, 47.1%

HSLhsl(322.8, 66.2%, 40.6%)

HSV / HSBhsv(322.8, 79.7%, 67.5%)

CMYK0%, 79.7%, 30.2%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,281,272

CSS custom property--colour: #AC2378;

Brightness & contrast

Relative luminance0.11329WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.43:1

Contrast with white6.43:1WCAG normal text: AA

Contrast with black3.27:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#53DC87

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3A4F7Ano red cones; affects about 1% of men; ΔE 57 from the original

Deuteranopia#626775no green cones; the most common form, about 1% of men; ΔE 59.5 from the original

Tritanopia#B91B4Bno blue cones; rare, and affects men and women equally; ΔE 29.4 from the original

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

Contrast with white, large text6.43:1WCAG large text: AAA

Contrast with black, large text3.27:1WCAG large text: AA

Named colours

Medium violet red · ΔE 11.6 Purple · ΔE 24.2 Dark magenta · ΔE 25.3 Hot pink · ΔE 26 Pale violetred · ΔE 29.4 Deep pink · ΔE 30.3

Nearest named CSS colourMedium violet red (#C71585)ΔE 11.62, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#23AC57

Analogous#9C23AC, #AC2333

Triadic#78AC23, #2378AC

Split complementary#33AC23, #23AC9C

Tetradic#AC9C23, #23AC57, #2333AC

Tints, shades & saturation

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

Lighter +40%#EEADD5

Lighter +30%#E682C0

Lighter +20%#DD58AB

Lighter +10%#D42E95

Darker −10%#821A5A

Darker −20%#57123D

Darker −30%#2D091F

Darker −40%#020102

More saturated +25%#C6097E

Less saturated −25%#923D72

Channel breakdown

R172

G35

B120

Red172 (67.5%)

Green35 (13.7%)

Blue120 (47.1%)

Hue322.77°

Saturation (HSL)66.18%

Lightness40.59%

Dominant channelRed

Hex per channelR AC · G 23 · B 78

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac2378 (chemical formula)

Formula
539,806 g/mol
2378 atoms

Ac2378 has a molar mass of 539,806 g/mol, made up of 2378 atoms across 1 element: 2378 × Ac.

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Molar mass

Molar mass539,806 g/mol

Total atoms per molecule2378

Distinct elements1

Mass of one molecule8.9636895 × 10^-19 g

Molecules per gram1.115612 × 10^18

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

Ac100%

Actinium (Ac × 2378)539,806 g/mol, 100%

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Elements in this formula

Actinium

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