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Colour

#4F3583

  • #4F3583
  • Violet
  • Dark
  • Nearest: Dark slateblue

#4F3583 is a violet with RGB values 79, 53, 131 and HSL 260°, 42%, 36%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#4F3583#4F3583
HEX#4F3583
RGBrgb(79, 53, 131)
RGB (0–1)0.3098, 0.2078, 0.5137
RGB percentages31%, 20.8%, 51.4%
HSLhsl(260, 42.4%, 36.1%)
HSV / HSBhsv(260, 59.5%, 51.4%)
CMYK39.7%, 59.5%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,191,043
CSS custom property--colour: #4F3583;

Brightness & contrast

Relative luminance0.05847WCAG 2.x, 0 is black and 1 is white
Perceived brightness74 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.68:1
Contrast with white9.68:1WCAG normal text: AAA
Contrast with black2.17:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#B0CA7C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#094586no red cones; affects about 1% of men; ΔE 21.6 from the original
Deuteranopia#154381no green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#424656no blue cones; rare, and affects men and women equally; ΔE 41 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.68:1WCAG large text: AAA
Contrast with black, large text2.17:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 5.1Rebecca purple · ΔE 15Midnight blue · ΔE 16.3Slate blue · ΔE 24.8Indigo · ΔE 26.6Medium purple · ΔE 28.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 5.11, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#698335
Analogous#354283, #763583
Triadic#834F35, #35834F
Split complementary#837635, #428335
Tetradic#833542, #698335, #358376

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9A8DC
Lighter +30%#9C84CD
Lighter +20%#7F60BE
Lighter +10%#6544A7
Darker −10%#39265F
Darker −20%#23183A
Darker −30%#0D0916
Darker −40%#000000
More saturated +25%#471E9A
Less saturated −25%#574C6C

Channel breakdown

R79
G53
B131
Red79 (31%)
Green53 (20.8%)
Blue131 (51.4%)
Hue260°
Saturation (HSL)42.39%
Lightness36.08%
Dominant channelBlue
Hex per channelR 4F · G 35 · B 83

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Every value on this page was computed from “4f3583” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.