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Recognised as Colour

#AA55B1

  • #AA55B1
  • Magenta
  • Dark
  • Nearest: Orchid

#AA55B1 is a magenta with RGB values 170, 85, 177 and HSL 295°, 37%, 51%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Orchid.

Colour values

#AA55B1#AA55B1
HEX#AA55B1
RGBrgb(170, 85, 177)
RGB (0–1)0.6667, 0.3333, 0.6941
RGB percentages66.7%, 33.3%, 69.4%
HSLhsl(295.4, 37.1%, 51.4%)
HSV / HSBhsv(295.4, 52%, 69.4%)
CMYK4%, 52%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,163,057
CSS custom property--colour: #AA55B1;

Brightness & contrast

Relative luminance0.18217WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.64:1
Contrast with white4.52:1WCAG normal text: AA
Contrast with black4.64:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#55AA4E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4970B4no red cones; affects about 1% of men; ΔE 41.5 from the original
Deuteranopia#637AAEno green cones; the most common form, about 1% of men; ΔE 43 from the original
Tritanopia#AD607Bno blue cones; rare, and affects men and women equally; ΔE 35.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.52:1WCAG large text: AAA
Contrast with black, large text4.64:1WCAG large text: AAA

Named colours

Orchid · ΔE 14.8Medium orchid · ΔE 17.6Medium purple · ΔE 20.4Violet · ΔE 21.7Rebecca purple · ΔE 22Purple · ΔE 22.8
Nearest named CSS colourOrchid (#DA70D6)ΔE 14.8, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5CB155
Analogous#7C55B1, #B1558A
Triadic#B1AA55, #55B1AA
Split complementary#8AB155, #55B17C
Tetradic#B17C55, #5CB155, #558AB1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0E1F1
Lighter +30%#DEBEE1
Lighter +20%#CD9BD1
Lighter +10%#BB78C1
Darker −10%#8B4291
Darker −20%#69326E
Darker −30%#48224B
Darker −40%#261228
More saturated +25%#C436D0
Less saturated −25%#907492

Channel breakdown

R170
G85
B177
Red170 (66.7%)
Green85 (33.3%)
Blue177 (69.4%)
Hue295.43°
Saturation (HSL)37.1%
Lightness51.37%
Dominant channelBlue
Hex per channelR AA · G 55 · B B1

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Every value on this page was computed from “aa55b1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.