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Recognised as Colour

#A172C4

  • #A172C4
  • Violet
  • Dark
  • Nearest: Medium purple

#A172C4 is a violet with RGB values 161, 114, 196 and HSL 274°, 41%, 61%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Medium purple.

Colour values

#A172C4#A172C4
HEX#A172C4
RGBrgb(161, 114, 196)
RGB (0–1)0.6314, 0.4471, 0.7686
RGB percentages63.1%, 44.7%, 76.9%
HSLhsl(274.4, 41%, 60.8%)
HSV / HSBhsv(274.4, 41.8%, 76.9%)
CMYK17.9%, 41.8%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,580,676
CSS custom property--colour: #A172C4;

Brightness & contrast

Relative luminance0.23597WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.72:1
Contrast with white3.67:1WCAG normal text: Fail
Contrast with black5.72:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#5E8D3B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6183C7no red cones; affects about 1% of men; ΔE 26.9 from the original
Deuteranopia#6C86C2no green cones; the most common form, about 1% of men; ΔE 27.4 from the original
Tritanopia#9D7E92no blue cones; rare, and affects men and women equally; ΔE 35 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.67:1WCAG large text: AA
Contrast with black, large text5.72:1WCAG large text: AAA

Named colours

Medium purple · ΔE 14.5Orchid · ΔE 22.5Plum · ΔE 22.5Slate blue · ΔE 24.3Violet · ΔE 26.4Dark slateblue · ΔE 26.8
Nearest named CSS colourMedium purple (#9370DB)ΔE 14.54, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#95C472
Analogous#7872C4, #C472BE
Triadic#C4A172, #72C4A1
Split complementary#BEC472, #72C478
Tetradic#C47872, #95C472, #72BEC4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E9DEF1
Lighter +20%#D1BAE2
Lighter +10%#B996D3
Darker −10%#894EB5
Darker −20%#6E3D93
Darker −30%#532E6F
Darker −40%#381F4B
More saturated +25%#A559DD
Less saturated −25%#9D8BAB

Channel breakdown

R161
G114
B196
Red161 (63.1%)
Green114 (44.7%)
Blue196 (76.9%)
Hue274.39°
Saturation (HSL)41%
Lightness60.78%
Dominant channelBlue
Hex per channelR A1 · G 72 · B C4

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Every value on this page was computed from “a172c4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.