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Recognised as Colour

#AA55AA

  • #AA55AA
  • Magenta
  • Dark
  • Nearest: Orchid

#AA55AA is a magenta with RGB values 170, 85, 170 and HSL 300°, 33%, 50%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Orchid.

Colour values

#AA55AA#AA55AA
HEX#AA55AA
HEX (short)#A5A
RGBrgb(170, 85, 170)
RGB (0–1)0.6667, 0.3333, 0.6667
RGB percentages66.7%, 33.3%, 66.7%
HSLhsl(300, 33.3%, 50%)
HSV / HSBhsv(300, 50%, 66.7%)
CMYK0%, 50%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,163,050
CSS custom property--colour: #AA55AA;

Brightness & contrast

Relative luminance0.17945WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.59:1
Contrast with white4.58:1WCAG normal text: AA
Contrast with black4.59:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#55AA55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D6EADno red cones; affects about 1% of men; ΔE 40.6 from the original
Deuteranopia#6679A7no green cones; the most common form, about 1% of men; ΔE 42.2 from the original
Tritanopia#AE5E78no blue cones; rare, and affects men and women equally; ΔE 32.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.58:1WCAG large text: AAA
Contrast with black, large text4.59:1WCAG large text: AAA

Named colours

Orchid · ΔE 16.2Medium orchid · ΔE 21.2Medium purple · ΔE 22.8Violet · ΔE 23.2Purple · ΔE 23.8Rebecca purple · ΔE 23.8
Nearest named CSS colourOrchid (#DA70D6)ΔE 16.22, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#55AA55
Analogous#8055AA, #AA5580
Triadic#AAAA55, #55AAAA
Split complementary#80AA55, #55AA80
Tetradic#AA8055, #55AA55, #5580AA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEDDEE
Lighter +30%#DDBBDD
Lighter +20%#CC99CC
Lighter +10%#BB77BB
Darker −10%#884488
Darker −20%#663366
Darker −30%#442244
Darker −40%#221122
More saturated +25%#CA35CA
Less saturated −25%#8A758A

Channel breakdown

R170
G85
B170
Red170 (66.7%)
Green85 (33.3%)
Blue170 (66.7%)
Hue300°
Saturation (HSL)33.33%
Lightness50%
Dominant channelRed and Blue
Hex per channelR AA · G 55 · B AA

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Every value on this page was computed from “aa55aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.