Recognised as Colour
#AC72B3
- #AC72B3
- Magenta
- Dark
- Nearest: Plum
#AC72B3 is a magenta with RGB values 172, 114, 179 and HSL 294°, 30%, 57%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Plum.
Colour values
#AC72B3#AC72B3
HEX#AC72B3
RGBrgb(172, 114, 179)
RGB (0–1)0.6745, 0.4471, 0.702
RGB percentages67.5%, 44.7%, 70.2%
HSLhsl(293.5, 30%, 57.5%)
HSV / HSBhsv(293.5, 36.3%, 70.2%)
CMYK3.9%, 36.3%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,301,555
CSS custom property--colour: #AC72B3;
Brightness & contrast
Relative luminance0.2406WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.81:1
Contrast with white3.61:1WCAG normal text: Fail
Contrast with black5.81:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#538D4C
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.61:1WCAG large text: AA
Contrast with black, large text5.81:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#79B372
Analogous#8C72B3, #B37299
Triadic#B3AC72, #72B3AC
Split complementary#99B372, #72B38B
Tetradic#B38B72, #79B372, #729AB3
Tints, shades & saturation
Channel breakdown
R172
G114
B179
Red172 (67.5%)
Green114 (44.7%)
Blue179 (70.2%)
Hue293.54°
Saturation (HSL)29.95%
Lightness57.45%
Dominant channelBlue
Hex per channelR AC · G 72 · B B3
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Harmonies
Similar named colours
Also reads as
Ac72B3 (chemical formula)
- Formula
- 16,376.43 g/mol
- 75 atoms
Ac72B3 has a molar mass of 16,376.43 g/mol, made up of 75 atoms across 2 elements: 72 × Ac, 3 × B.
Molar mass
Molar mass16,376.43 g/mol
Total atoms per molecule75
Distinct elements2
Mass of one molecule2.7193702 × 10^-20 g
Molecules per gram3.6773221 × 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
Ac99.8%
B0.2%
Actinium (Ac × 72)16,344 g/mol, 99.802%
Boron (B × 3)32.43 g/mol, 0.198%
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