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Recognised as Colour

#47275B

  • #47275B
  • Violet
  • Dark
  • Nearest: Dark slateblue

#47275B is a violet with RGB values 71, 39, 91 and HSL 277°, 40%, 25%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#47275B#47275B
HEX#47275B
RGBrgb(71, 39, 91)
RGB (0–1)0.2784, 0.1529, 0.3569
RGB percentages27.8%, 15.3%, 35.7%
HSLhsl(276.9, 40%, 25.5%)
HSV / HSBhsv(276.9, 57.1%, 35.7%)
CMYK22%, 57.1%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,663,131
CSS custom property--colour: #47275B;

Brightness & contrast

Relative luminance0.03546WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.29:1
Contrast with white12.29:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#B8D8A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#19335Dno red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#23365Ano green cones; the most common form, about 1% of men; ΔE 21 from the original
Tritanopia#45303Dno blue cones; rare, and affects men and women equally; ΔE 25.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.29:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.8Midnight blue · ΔE 25.7Rebecca purple · ΔE 29.7Purple · ΔE 35.9Indigo · ΔE 38.1Dark magenta · ΔE 40.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.79, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B5B27
Analogous#2D275B, #5B2755
Triadic#5B4727, #275B47
Split complementary#555B27, #275B2D
Tetradic#5B2D27, #3B5B27, #27555B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AF84CA
Lighter +30%#9860BB
Lighter +20%#7F46A2
Lighter +10%#63367F
Darker −10%#2B1837
Darker −20%#0F0814
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4B176B
Less saturated −25%#43374B

Channel breakdown

R71
G39
B91
Red71 (27.8%)
Green39 (15.3%)
Blue91 (35.7%)
Hue276.92°
Saturation (HSL)40%
Lightness25.49%
Dominant channelBlue
Hex per channelR 47 · G 27 · B 5B

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Every value on this page was computed from “47275b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.