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Colour

#AA99EE

  • #AA99EE
  • Blue
  • Dark
  • Nearest: Cornflower blue

#AA99EE is a blue with RGB values 170, 153, 238 and HSL 252°, 71%, 77%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#AA99EE#AA99EE
HEX#AA99EE
HEX (short)#A9E
RGBrgb(170, 153, 238)
RGB (0–1)0.6667, 0.6, 0.9333
RGB percentages66.7%, 60%, 93.3%
HSLhsl(252, 71.4%, 76.7%)
HSV / HSBhsv(252, 35.7%, 93.3%)
CMYK28.6%, 35.7%, 0%, 6.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,180,526
CSS custom property--colour: #AA99EE;

Brightness & contrast

Relative luminance0.37502WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.5:1
Contrast with white2.47:1WCAG normal text: Fail
Contrast with black8.5:1WCAG normal text: AAA
Greyscale equivalent#A3A3A3
Inverted#556611

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#81A6F1no red cones; affects about 1% of men; ΔE 17.4 from the original
Deuteranopia#83A3ECno green cones; the most common form, about 1% of men; ΔE 16.6 from the original
Tritanopia#9BA8B8no blue cones; rare, and affects men and women equally; ΔE 40.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.47:1WCAG large text: Fail
Contrast with black, large text8.5:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 18.4Medium purple · ΔE 20.1Plum · ΔE 21Dodgerblue · ΔE 28.3Slate blue · ΔE 30.5Royal blue · ΔE 31.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 18.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDEE99
Analogous#99B2EE, #D499EE
Triadic#EEAA99, #99EEAA
Split complementary#EED499, #B2EE99
Tetradic#EE99B2, #DDEE99, #99EED4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F3F0FD
Lighter +10%#CEC5F5
Darker −10%#866DE7
Darker −20%#6142DF
Darker −30%#4422CC
Darker −40%#351BA0
More saturated +25%#A18AFD
Less saturated −25%#B3A8DF

Channel breakdown

R170
G153
B238
Red170 (66.7%)
Green153 (60%)
Blue238 (93.3%)
Hue252°
Saturation (HSL)71.43%
Lightness76.67%
Dominant channelBlue
Hex per channelR AA · G 99 · B EE

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Every value on this page was computed from “aa99ee” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.