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Recognised as Colour

#A155AA

  • #A155AA
  • Magenta
  • Dark
  • Nearest: Orchid

#A155AA is a magenta with RGB values 161, 85, 170 and HSL 294°, 33%, 50%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Orchid.

Colour values

#A155AA#A155AA
HEX#A155AA
RGBrgb(161, 85, 170)
RGB (0–1)0.6314, 0.3333, 0.6667
RGB percentages63.1%, 33.3%, 66.7%
HSLhsl(293.6, 33.3%, 50%)
HSV / HSBhsv(293.6, 50%, 66.7%)
CMYK5.3%, 50%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,573,226
CSS custom property--colour: #A155AA;

Brightness & contrast

Relative luminance0.16976WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.78:1
Contrast with white4.78:1WCAG normal text: AA
Contrast with black4.4:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#5EAA55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#496DADno red cones; affects about 1% of men; ΔE 38 from the original
Deuteranopia#6076A8no green cones; the most common form, about 1% of men; ΔE 39.2 from the original
Tritanopia#A36078no blue cones; rare, and affects men and women equally; ΔE 33.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.78:1WCAG large text: AAA
Contrast with black, large text4.4:1WCAG large text: AA

Named colours

Orchid · ΔE 18.3Medium purple · ΔE 20.3Rebecca purple · ΔE 21.3Medium orchid · ΔE 21.6Purple · ΔE 23.8Dark magenta · ΔE 24.8
Nearest named CSS colourOrchid (#DA70D6)ΔE 18.32, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5EAA55
Analogous#7755AA, #AA5588
Triadic#AAA155, #55AAA1
Split complementary#88AA55, #55AA77
Tetradic#AA7755, #5EAA55, #5588AA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECDDEE
Lighter +30%#D9BBDD
Lighter +20%#C799CC
Lighter +10%#B477BB
Darker −10%#814488
Darker −20%#613366
Darker −30%#402244
Darker −40%#201122
More saturated +25%#BA35CA
Less saturated −25%#88758A

Channel breakdown

R161
G85
B170
Red161 (63.1%)
Green85 (33.3%)
Blue170 (66.7%)
Hue293.65°
Saturation (HSL)33.33%
Lightness50%
Dominant channelBlue
Hex per channelR A1 · G 55 · B AA

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Every value on this page was computed from “a155aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.