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Recognised as Colour

#AA81E9

  • #AA81E9
  • Violet
  • Dark
  • Nearest: Medium purple

#AA81E9 is a violet with RGB values 170, 129, 233 and HSL 264°, 70%, 71%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Medium purple.

Colour values

#AA81E9#AA81E9
HEX#AA81E9
RGBrgb(170, 129, 233)
RGB (0–1)0.6667, 0.5059, 0.9137
RGB percentages66.7%, 50.6%, 91.4%
HSLhsl(263.7, 70.3%, 71%)
HSV / HSBhsv(263.7, 44.6%, 91.4%)
CMYK27%, 44.6%, 0%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,174,377
CSS custom property--colour: #AA81E9;

Brightness & contrast

Relative luminance0.3013WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.03:1
Contrast with white2.99:1WCAG normal text: Fail
Contrast with black7.03:1WCAG normal text: AAA
Greyscale equivalent#919191
Inverted#557E16

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6395EDno red cones; affects about 1% of men; ΔE 27.7 from the original
Deuteranopia#6C95E6no green cones; the most common form, about 1% of men; ΔE 28 from the original
Tritanopia#9E93AAno blue cones; rare, and affects men and women equally; ΔE 46.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.99:1WCAG large text: Fail
Contrast with black, large text7.03:1WCAG large text: AAA

Named colours

Medium purple · ΔE 7.5Slate blue · ΔE 19.7Medium slateblue · ΔE 21.2Orchid · ΔE 22.4Violet · ΔE 23.5Medium orchid · ΔE 23.7
Nearest named CSS colourMedium purple (#9370DB)ΔE 7.46, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C0E981
Analogous#818CE9, #DE81E9
Triadic#E9AA81, #81E9AA
Split complementary#E9DE81, #8CE981
Tetradic#E9818C, #C0E981, #81E9DE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E5D8F8
Lighter +10%#C7ACF1
Darker −10%#8D56E1
Darker −20%#6F2ADA
Darker −30%#591FB2
Darker −40%#431787
More saturated +25%#A66EFB
Less saturated −25%#AE93D6

Channel breakdown

R170
G129
B233
Red170 (66.7%)
Green129 (50.6%)
Blue233 (91.4%)
Hue263.65°
Saturation (HSL)70.27%
Lightness70.98%
Dominant channelBlue
Hex per channelR AA · G 81 · B E9

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Every value on this page was computed from “aa81e9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.