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Colour

#A3156B

  • #A3156B
  • Magenta
  • Dark
  • Nearest: Medium violet red

#A3156B is a magenta with RGB values 163, 21, 107 and HSL 324°, 77%, 36%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Medium violet red.

Colour values

#A3156B#A3156B
HEX#A3156B
RGBrgb(163, 21, 107)
RGB (0–1)0.6392, 0.0824, 0.4196
RGB percentages63.9%, 8.2%, 42%
HSLhsl(323.7, 77.2%, 36.1%)
HSV / HSBhsv(323.7, 87.1%, 63.9%)
CMYK0%, 87.1%, 34.4%, 36.1%naive device-independent conversion; real print needs an ICC profile
24-bit integer10,687,851
CSS custom property--colour: #A3156B;

Brightness & contrast

Relative luminance0.09384WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.3:1
Contrast with white7.3:1WCAG normal text: AAA
Contrast with black2.88:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#5CEA94

Colour vision & accessibility

Protanopia#33476Dno red cones; affects about 1% of men; ΔE 57.7 from the original
Deuteranopia#5C5F68no green cones; the most common form, about 1% of men; ΔE 59.7 from the original
Tritanopia#B00040no blue cones; rare, and affects men and women equally; ΔE 28.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.3:1WCAG large text: AAA
Contrast with black, large text2.88:1WCAG large text: Fail

Named colours

Nearest named CSS colourMedium violet red (#C71585)ΔE 13.98, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#15A34D
Analogous#9415A3, #A31524
Triadic#6BA315, #156BA3
Split complementary#24A315, #15A394
Tetradic#A39415, #15A34D, #1524A3

Tints, shades & saturation

Lighter +40%#F193CC
Lighter +30%#EB66B7
Lighter +20%#E539A1
Lighter +10%#D01B89
Darker −10%#760F4D
Darker −20%#490930
Darker −30%#1B0412
Darker −40%#000000
More saturated +25%#B8006F
Less saturated −25%#8C2C66

Channel breakdown

R163
G21
B107
Red163 (63.9%)
Green21 (8.2%)
Blue107 (42%)
Hue323.66°
Saturation (HSL)77.17%
Lightness36.08%
Dominant channelRed
Hex per channelR A3 · G 15 · B 6B

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Every value on this page was computed from “a3156b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.