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Recognised as Colour

#AA40DE

  • #AA40DE
  • Violet
  • Dark
  • Nearest: Dark orchid

#AA40DE is a violet with RGB values 170, 64, 222 and HSL 280°, 71%, 56%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#AA40DE#AA40DE
HEX#AA40DE
RGBrgb(170, 64, 222)
RGB (0–1)0.6667, 0.251, 0.8706
RGB percentages66.7%, 25.1%, 87.1%
HSLhsl(280.3, 70.5%, 56.1%)
HSV / HSBhsv(280.3, 71.2%, 87.1%)
CMYK23.4%, 71.2%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,157,726
CSS custom property--colour: #AA40DE;

Brightness & contrast

Relative luminance0.17487WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.67:1
Contrast with white4.67:1WCAG normal text: AA
Contrast with black4.5:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#55BF21

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006FE3no red cones; affects about 1% of men; ΔE 48.4 from the original
Deuteranopia#2C76DBno green cones; the most common form, about 1% of men; ΔE 53.4 from the original
Tritanopia#A4638Bno blue cones; rare, and affects men and women equally; ΔE 61.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.67:1WCAG large text: AAA
Contrast with black, large text4.5:1WCAG large text: AA

Named colours

Dark orchid · ΔE 5.9Blue violet · ΔE 15.2Dark violet · ΔE 16.1Medium orchid · ΔE 16.7Medium slateblue · ΔE 26.2Dark magenta · ΔE 28.2
Nearest named CSS colourDark orchid (#9932CC)ΔE 5.87, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#74DE40
Analogous#5B40DE, #DE40C3
Triadic#DEAA40, #40DEAA
Split complementary#C3DE40, #40DE5B
Tetradic#DE5B40, #74DE40, #40C3DE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7EEFC
Lighter +30%#E4C2F5
Lighter +20%#D197ED
Lighter +10%#BD6BE6
Darker −10%#9223C8
Darker −20%#721B9D
Darker −30%#531471
Darker −40%#330C46
More saturated +25%#B424FA
Less saturated −25%#A05CC2

Channel breakdown

R170
G64
B222
Red170 (66.7%)
Green64 (25.1%)
Blue222 (87.1%)
Hue280.25°
Saturation (HSL)70.54%
Lightness56.08%
Dominant channelBlue
Hex per channelR AA · G 40 · B DE

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Every value on this page was computed from “aa40de” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.