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Colour

#AA55FF

  • #AA55FF
  • Violet
  • Dark
  • Nearest: Blue violet

#AA55FF is a violet with RGB values 170, 85, 255 and HSL 270°, 100%, 67%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#AA55FF#AA55FF
HEX#AA55FF
HEX (short)#A5F
RGBrgb(170, 85, 255)
RGB (0–1)0.6667, 0.3333, 1
RGB percentages66.7%, 33.3%, 100%
HSLhsl(270, 100%, 66.7%)
HSV / HSBhsv(270, 66.7%, 100%)
CMYK33.3%, 66.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,163,135
CSS custom property--colour: #AA55FF;

Brightness & contrast

Relative luminance0.22263WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.45:1
Contrast with white3.85:1WCAG normal text: Fail
Contrast with black5.45:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#55AA00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0080FFno red cones; affects about 1% of men; ΔE 46.1 from the original
Deuteranopia#0081FBno green cones; the most common form, about 1% of men; ΔE 48.3 from the original
Tritanopia#997CA3no blue cones; rare, and affects men and women equally; ΔE 71.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.85:1WCAG large text: AA
Contrast with black, large text5.45:1WCAG large text: AAA

Named colours

Blue violet · ΔE 13.6Dark orchid · ΔE 15.5Dark violet · ΔE 18.7Medium orchid · ΔE 24.5Medium slateblue · ΔE 24.6Slate blue · ΔE 33
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 13.58, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AAFF55
Analogous#5555FF, #FF55FF
Triadic#FFAA55, #55FFAA
Split complementary#FFFF55, #55FF55
Tetradic#FF5555, #AAFF55, #55FFFF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F6EEFF
Lighter +20%#DDBBFF
Lighter +10%#C388FF
Darker −10%#9022FF
Darker −20%#7700EE
Darker −30%#5D00BB
Darker −40%#440088
More saturated +25%#AA55FF
Less saturated −25%#AA6AEA

Channel breakdown

R170
G85
B255
Red170 (66.7%)
Green85 (33.3%)
Blue255 (100%)
Hue270°
Saturation (HSL)100%
Lightness66.67%
Dominant channelBlue
Hex per channelR AA · G 55 · B FF

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Every value on this page was computed from “aa55ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.