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Recognised as Colour

#A171B8

  • #A171B8
  • Violet
  • Dark
  • Nearest: Plum

#A171B8 is a violet with RGB values 161, 113, 184 and HSL 281°, 33%, 58%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Plum.

Colour values

#A171B8#A171B8
HEX#A171B8
RGBrgb(161, 113, 184)
RGB (0–1)0.6314, 0.4431, 0.7216
RGB percentages63.1%, 44.3%, 72.2%
HSLhsl(280.6, 33.3%, 58.2%)
HSV / HSBhsv(280.6, 38.6%, 72.2%)
CMYK12.5%, 38.6%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,580,408
CSS custom property--colour: #A171B8;

Brightness & contrast

Relative luminance0.22848WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.57:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.57:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#5E8E47

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6581BBno red cones; affects about 1% of men; ΔE 26.4 from the original
Deuteranopia#7185B6no green cones; the most common form, about 1% of men; ΔE 26.8 from the original
Tritanopia#9F7B8Cno blue cones; rare, and affects men and women equally; ΔE 30.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.77:1WCAG large text: AA
Contrast with black, large text5.57:1WCAG large text: AAA

Named colours

Plum · ΔE 20.2Medium purple · ΔE 20.5Orchid · ΔE 25Dark slateblue · ΔE 27.5Violet · ΔE 29.3Slate blue · ΔE 29.5
Nearest named CSS colourPlum (#DDA0DD)ΔE 20.2, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#88B871
Analogous#7D71B8, #B871AB
Triadic#B8A171, #71B8A1
Split complementary#ACB871, #71B87D
Tetradic#B87D71, #88B871, #71ACB8

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBF9FC
Lighter +30%#E5D7EB
Lighter +20%#CEB5DA
Lighter +10%#B893C9
Darker −10%#8952A4
Darker −20%#6D4182
Darker −30%#503060
Darker −40%#341F3E
More saturated +25%#AA56D3
Less saturated −25%#988C9D

Channel breakdown

R161
G113
B184
Red161 (63.1%)
Green113 (44.3%)
Blue184 (72.2%)
Hue280.56°
Saturation (HSL)33.33%
Lightness58.24%
Dominant channelBlue
Hex per channelR A1 · G 71 · B B8

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Every value on this page was computed from “a171b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.