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Recognised as Colour

#47285F

  • #47285F
  • Violet
  • Dark
  • Nearest: Dark slateblue

#47285F is a violet with RGB values 71, 40, 95 and HSL 274°, 41%, 26%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#47285F#47285F
HEX#47285F
RGBrgb(71, 40, 95)
RGB (0–1)0.2784, 0.1569, 0.3725
RGB percentages27.8%, 15.7%, 37.3%
HSLhsl(273.8, 40.7%, 26.5%)
HSV / HSBhsv(273.8, 57.9%, 37.3%)
CMYK25.3%, 57.9%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,663,391
CSS custom property--colour: #47285F;

Brightness & contrast

Relative luminance0.03683WCAG 2.x, 0 is black and 1 is white
Perceived brightness59 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.09:1
Contrast with white12.09:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#B8D7A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#173561no red cones; affects about 1% of men; ΔE 20.5 from the original
Deuteranopia#21365Eno green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#44323Fno blue cones; rare, and affects men and women equally; ΔE 27.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.09:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.9Midnight blue · ΔE 23.9Rebecca purple · ΔE 27.9Purple · ΔE 34.8Indigo · ΔE 36.5Slate blue · ΔE 39.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.92, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#405F28
Analogous#2B285F, #5F285C
Triadic#5F4728, #285F47
Split complementary#5C5F28, #285F2B
Tetradic#5F2B28, #405F28, #285C5F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AE87CC
Lighter +30%#9663BD
Lighter +20%#7D46A7
Lighter +10%#623783
Darker −10%#2C193B
Darker −20%#110A17
Darker −30%#000000
Darker −40%#000000
More saturated +25%#491770
Less saturated −25%#45394E

Channel breakdown

R71
G40
B95
Red71 (27.8%)
Green40 (15.7%)
Blue95 (37.3%)
Hue273.82°
Saturation (HSL)40.74%
Lightness26.47%
Dominant channelBlue
Hex per channelR 47 · G 28 · B 5F

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Every value on this page was computed from “47285f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.