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Recognised as Colour

#AA57AA

  • #AA57AA
  • Magenta
  • Dark
  • Nearest: Orchid

#AA57AA is a magenta with RGB values 170, 87, 170 and HSL 300°, 33%, 50%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Orchid.

Colour values

#AA57AA#AA57AA
HEX#AA57AA
RGBrgb(170, 87, 170)
RGB (0–1)0.6667, 0.3412, 0.6667
RGB percentages66.7%, 34.1%, 66.7%
HSLhsl(300, 32.8%, 50.4%)
HSV / HSBhsv(300, 48.8%, 66.7%)
CMYK0%, 48.8%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,163,562
CSS custom property--colour: #AA57AA;

Brightness & contrast

Relative luminance0.18265WCAG 2.x, 0 is black and 1 is white
Perceived brightness128 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.65:1
Contrast with white4.51:1WCAG normal text: AA
Contrast with black4.65:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#55A855

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F70ADno red cones; affects about 1% of men; ΔE 40.2 from the original
Deuteranopia#687AA7no green cones; the most common form, about 1% of men; ΔE 41.3 from the original
Tritanopia#AE6079no blue cones; rare, and affects men and women equally; ΔE 32 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.51:1WCAG large text: AAA
Contrast with black, large text4.65:1WCAG large text: AAA

Named colours

Orchid · ΔE 16.6Medium orchid · ΔE 22.2Medium purple · ΔE 22.8Violet · ΔE 23.5Rebecca purple · ΔE 24.4Purple · ΔE 24.8
Nearest named CSS colourOrchid (#DA70D6)ΔE 16.61, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#57AA57
Analogous#8157AA, #AA5781
Triadic#AAAA57, #57AAAA
Split complementary#81AA57, #57AA81
Tetradic#AA8157, #57AA57, #5781AA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFDEEF
Lighter +30%#DDBDDD
Lighter +20%#CC9BCC
Lighter +10%#BB79BB
Darker −10%#894589
Darker −20%#673467
Darker −30%#452345
Darker −40%#231223
More saturated +25%#CA37CA
Less saturated −25%#8A778A

Channel breakdown

R170
G87
B170
Red170 (66.7%)
Green87 (34.1%)
Blue170 (66.7%)
Hue300°
Saturation (HSL)32.81%
Lightness50.39%
Dominant channelRed and Blue
Hex per channelR AA · G 57 · B AA

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Every value on this page was computed from “aa57aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.