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Recognised as Colour

#A183C7

  • #A183C7
  • Violet
  • Dark
  • Nearest: Plum

#A183C7 is a violet with RGB values 161, 131, 199 and HSL 266°, 38%, 65%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Plum.

Colour values

#A183C7#A183C7
HEX#A183C7
RGBrgb(161, 131, 199)
RGB (0–1)0.6314, 0.5137, 0.7804
RGB percentages63.1%, 51.4%, 78%
HSLhsl(266.5, 37.8%, 64.7%)
HSV / HSBhsv(266.5, 34.2%, 78%)
CMYK19.1%, 34.2%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,585,031
CSS custom property--colour: #A183C7;

Brightness & contrast

Relative luminance0.27933WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.59:1
Contrast with white3.19:1WCAG normal text: Fail
Contrast with black6.59:1WCAG normal text: AA
Greyscale equivalent#8E8E8E
Inverted#5E7C38

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#748FCAno red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#7A90C5no green cones; the most common form, about 1% of men; ΔE 19.6 from the original
Tritanopia#9B8D9Cno blue cones; rare, and affects men and women equally; ΔE 30.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.19:1WCAG large text: AA
Contrast with black, large text6.59:1WCAG large text: AAA

Named colours

Plum · ΔE 18Medium purple · ΔE 22.9Cornflower blue · ΔE 24.1Steel blue · ΔE 30Orchid · ΔE 30.6Dark slateblue · ΔE 31
Nearest named CSS colourPlum (#DDA0DD)ΔE 17.97, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A9C783
Analogous#8387C7, #C383C7
Triadic#C7A183, #83C7A1
Split complementary#C7C383, #87C783
Tetradic#C78387, #A9C783, #83C7C3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F1ECF7
Lighter +20%#D6C9E7
Lighter +10%#BCA6D7
Darker −10%#8660B7
Darker −20%#6D479D
Darker −30%#55377A
Darker −40%#3C2757
More saturated +25%#9E6CDE
Less saturated −25%#A499B0

Channel breakdown

R161
G131
B199
Red161 (63.1%)
Green131 (51.4%)
Blue199 (78%)
Hue266.47°
Saturation (HSL)37.78%
Lightness64.71%
Dominant channelBlue
Hex per channelR A1 · G 83 · B C7

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Every value on this page was computed from “a183c7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.