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Recognised as Colour

#4820B9

  • #4820B9
  • Violet
  • Dark
  • Nearest: Dark blue

#4820B9 is a violet with RGB values 72, 32, 185 and HSL 256°, 71%, 43%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#4820B9#4820B9
HEX#4820B9
RGBrgb(72, 32, 185)
RGB (0–1)0.2824, 0.1255, 0.7255
RGB percentages28.2%, 12.5%, 72.5%
HSLhsl(255.7, 70.5%, 42.5%)
HSV / HSBhsv(255.7, 82.7%, 72.5%)
CMYK61.1%, 82.7%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,726,969
CSS custom property--colour: #4820B9;

Brightness & contrast

Relative luminance0.05914WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.62:1
Contrast with white9.62:1WCAG normal text: AAA
Contrast with black2.18:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#B7DF46

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049BDno red cones; affects about 1% of men; ΔE 28.6 from the original
Deuteranopia#0040B6no green cones; the most common form, about 1% of men; ΔE 24.9 from the original
Tritanopia#00506Fno blue cones; rare, and affects men and women equally; ΔE 80.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.62:1WCAG large text: AAA
Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Dark blue · ΔE 15.8Blue violet · ΔE 19.4Navy · ΔE 19.8Dark orchid · ΔE 21.2Indigo · ΔE 21.5Medium blue · ΔE 22.5
Nearest named CSS colourDark blue (#00008B)ΔE 15.84, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#91B920
Analogous#2044B9, #9520B9
Triadic#B94820, #20B948
Split complementary#B99520, #45B920
Tetradic#B92044, #91B920, #20B995

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4B3F2
Lighter +30%#A188EA
Lighter +20%#7F5CE3
Lighter +10%#5D31DB
Darker −10%#37188E
Darker −20%#261162
Darker −30%#150937
Darker −40%#04020B
More saturated +25%#3B05D4
Less saturated −25%#553B9E

Channel breakdown

R72
G32
B185
Red72 (28.2%)
Green32 (12.5%)
Blue185 (72.5%)
Hue255.69°
Saturation (HSL)70.51%
Lightness42.55%
Dominant channelBlue
Hex per channelR 48 · G 20 · B B9

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Every value on this page was computed from “4820b9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.