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Colour

#AA99FF

  • #AA99FF
  • Blue
  • Dark
  • Nearest: Medium purple

#AA99FF is a blue with RGB values 170, 153, 255 and HSL 250°, 100%, 80%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium purple.

Colour values

#AA99FF#AA99FF
HEX#AA99FF
HEX (short)#A9F
RGBrgb(170, 153, 255)
RGB (0–1)0.6667, 0.6, 1
RGB percentages66.7%, 60%, 100%
HSLhsl(250, 100%, 80%)
HSV / HSBhsv(250, 40%, 100%)
CMYK33.3%, 40%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,180,543
CSS custom property--colour: #AA99FF;

Brightness & contrast

Relative luminance0.38549WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.71:1
Contrast with white2.41:1WCAG normal text: Fail
Contrast with black8.71:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#556600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#79A9FFno red cones; affects about 1% of men; ΔE 21 from the original
Deuteranopia#7AA5FCno green cones; the most common form, about 1% of men; ΔE 19.4 from the original
Tritanopia#95ACC0no blue cones; rare, and affects men and women equally; ΔE 48.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.41:1WCAG large text: Fail
Contrast with black, large text8.71:1WCAG large text: AAA

Named colours

Medium purple · ΔE 15.8Cornflower blue · ΔE 20.5Dodgerblue · ΔE 25.5Slate blue · ΔE 25.9Medium slateblue · ΔE 26.4Royal blue · ΔE 26.6
Nearest named CSS colourMedium purple (#9370DB)ΔE 15.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EEFF99
Analogous#99BBFF, #DD99FF
Triadic#FFAA99, #99FFAA
Split complementary#FFDD99, #BBFF99
Tetradic#FF99BB, #EEFF99, #99FFDD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D5CCFF
Darker −10%#8066FF
Darker −20%#5533FF
Darker −30%#2B00FF
Darker −40%#2200CC
More saturated +25%#AA99FF
Less saturated −25%#B3A6F2

Channel breakdown

R170
G153
B255
Red170 (66.7%)
Green153 (60%)
Blue255 (100%)
Hue250°
Saturation (HSL)100%
Lightness80%
Dominant channelBlue
Hex per channelR AA · G 99 · B FF

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Every value on this page was computed from “aa99ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.