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Recognised as Colour

#540DAD

  • #540DAD
  • Violet
  • Dark
  • Nearest: Dark blue

#540DAD is a violet with RGB values 84, 13, 173 and HSL 267°, 86%, 36%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#540DAD#540DAD
HEX#540DAD
RGBrgb(84, 13, 173)
RGB (0–1)0.3294, 0.051, 0.6784
RGB percentages32.9%, 5.1%, 67.8%
HSLhsl(266.6, 86%, 36.5%)
HSV / HSBhsv(266.6, 92.5%, 67.8%)
CMYK51.4%, 92.5%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,508,525
CSS custom property--colour: #540DAD;

Brightness & contrast

Relative luminance0.0519WCAG 2.x, 0 is black and 1 is white
Perceived brightness75 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.3:1
Contrast with white10.3:1WCAG normal text: AAA
Contrast with black2.04:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#ABF252

Colour vision & accessibility

Protanopia#0042B1no red cones; affects about 1% of men; ΔE 32.1 from the original
Deuteranopia#003DAAno green cones; the most common form, about 1% of men; ΔE 31.5 from the original
Tritanopia#364465no blue cones; rare, and affects men and women equally; ΔE 73 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.3:1WCAG large text: AAA
Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark blue (#00008B)ΔE 15.55, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#66AD0D
Analogous#0D16AD, #A40DAD
Triadic#AD540D, #0DAD54
Split complementary#ADA40D, #16AD0D
Tetradic#AD0D16, #66AD0D, #0DADA4

Tints, shades & saturation

Lighter +40%#BD8FF7
Lighter +30%#A160F3
Lighter +20%#8531EF
Lighter +10%#6B11DC
Darker −10%#3D097E
Darker −20%#26064E
Darker −30%#0F021F
Darker −40%#000000
More saturated +25%#5300BA
Less saturated −25%#572496

Channel breakdown

R84
G13
B173
Red84 (32.9%)
Green13 (5.1%)
Blue173 (67.8%)
Hue266.63°
Saturation (HSL)86.02%
Lightness36.47%
Dominant channelBlue
Hex per channelR 54 · G 0D · B AD

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Every value on this page was computed from “540dad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.