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Recognised as Colour

#AA66D7

  • #AA66D7
  • Violet
  • Dark
  • Nearest: Medium purple

#AA66D7 is a violet with RGB values 170, 102, 215 and HSL 276°, 59%, 62%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Medium purple.

Colour values

#AA66D7#AA66D7
HEX#AA66D7
RGBrgb(170, 102, 215)
RGB (0–1)0.6667, 0.4, 0.8431
RGB percentages66.7%, 40%, 84.3%
HSLhsl(276.1, 58.5%, 62.2%)
HSV / HSBhsv(276.1, 52.6%, 84.3%)
CMYK20.9%, 52.6%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,167,447
CSS custom property--colour: #AA66D7;

Brightness & contrast

Relative luminance0.22955WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.59:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.59:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#559928

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4681DBno red cones; affects about 1% of men; ΔE 37.7 from the original
Deuteranopia#5C85D4no green cones; the most common form, about 1% of men; ΔE 38.3 from the original
Tritanopia#A47995no blue cones; rare, and affects men and women equally; ΔE 46.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.59:1WCAG large text: AAA

Named colours

Medium purple · ΔE 10.9Medium orchid · ΔE 11.8Orchid · ΔE 17.2Slate blue · ΔE 18Medium slateblue · ΔE 19.1Violet · ΔE 20.3
Nearest named CSS colourMedium purple (#9370DB)ΔE 10.85, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#93D766
Analogous#7266D7, #D766CC
Triadic#D7AA66, #66D7AA
Split complementary#CBD766, #66D772
Tetradic#D77266, #93D766, #66CBD7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EDDFF7
Lighter +20%#D7B7EC
Lighter +10%#C08EE2
Darker −10%#943ECC
Darker −20%#782DAA
Darker −30%#5C2282
Darker −40%#3F175A
More saturated +25%#AF4EEF
Less saturated −25%#A57EBF

Channel breakdown

R170
G102
B215
Red170 (66.7%)
Green102 (40%)
Blue215 (84.3%)
Hue276.11°
Saturation (HSL)58.55%
Lightness62.16%
Dominant channelBlue
Hex per channelR AA · G 66 · B D7

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Every value on this page was computed from “aa66d7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.