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Recognised as Colour

#A147DD

  • #A147DD
  • Violet
  • Dark
  • Nearest: Dark orchid

#A147DD is a violet with RGB values 161, 71, 221 and HSL 276°, 69%, 57%. 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

#A147DD#A147DD
HEX#A147DD
RGBrgb(161, 71, 221)
RGB (0–1)0.6314, 0.2784, 0.8667
RGB percentages63.1%, 27.8%, 86.7%
HSLhsl(276, 68.8%, 57.3%)
HSV / HSBhsv(276, 67.9%, 86.7%)
CMYK27.1%, 67.9%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,569,693
CSS custom property--colour: #A147DD;

Brightness & contrast

Relative luminance0.17304WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.71:1
Contrast with white4.71:1WCAG normal text: AA
Contrast with black4.46:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#5EB822

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0070E1no red cones; affects about 1% of men; ΔE 44.7 from the original
Deuteranopia#2775DAno green cones; the most common form, about 1% of men; ΔE 48.7 from the original
Tritanopia#98688Dno blue cones; rare, and affects men and women equally; ΔE 60.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.71:1WCAG large text: AAA
Contrast with black, large text4.46:1WCAG large text: AA

Named colours

Dark orchid · ΔE 6.3Medium orchid · ΔE 15Blue violet · ΔE 17Dark violet · ΔE 19.4Medium slateblue · ΔE 21.4Slate blue · ΔE 26.2
Nearest named CSS colourDark orchid (#9932CC)ΔE 6.35, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#83DD47
Analogous#5647DD, #DD47CE
Triadic#DDA147, #47DDA1
Split complementary#CEDD47, #47DD56
Tetradic#DD5647, #83DD47, #47CEDD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9F3FD
Lighter +30%#E3C8F5
Lighter +20%#CD9DED
Lighter +10%#B772E5
Darker −10%#8926CB
Darker −20%#6C1EA0
Darker −30%#4F1675
Darker −40%#320E4A
More saturated +25%#A62CF8
Less saturated −25%#9C62C2

Channel breakdown

R161
G71
B221
Red161 (63.1%)
Green71 (27.8%)
Blue221 (86.7%)
Hue276°
Saturation (HSL)68.81%
Lightness57.25%
Dominant channelBlue
Hex per channelR A1 · G 47 · B DD

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Every value on this page was computed from “a147dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.