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Recognised as Colour

#B571DA

  • #B571DA
  • Violet
  • Dark
  • Nearest: Medium purple

#B571DA is a violet with RGB values 181, 113, 218 and HSL 279°, 59%, 65%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Medium purple.

Colour values

#B571DA#B571DA
HEX#B571DA
RGBrgb(181, 113, 218)
RGB (0–1)0.7098, 0.4431, 0.8549
RGB percentages71%, 44.3%, 85.5%
HSLhsl(278.9, 58.7%, 64.9%)
HSV / HSBhsv(278.9, 48.2%, 85.5%)
CMYK17%, 48.2%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,891,162
CSS custom property--colour: #B571DA;

Brightness & contrast

Relative luminance0.26696WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.34:1
Contrast with white3.31:1WCAG normal text: Fail
Contrast with black6.34:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#4A8E25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#598ADEno red cones; affects about 1% of men; ΔE 36.6 from the original
Deuteranopia#6D8FD7no green cones; the most common form, about 1% of men; ΔE 37.4 from the original
Tritanopia#B1819Bno blue cones; rare, and affects men and women equally; ΔE 43.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.31:1WCAG large text: AA
Contrast with black, large text6.34:1WCAG large text: AAA

Named colours

Medium purple · ΔE 11.3Orchid · ΔE 14.2Medium orchid · ΔE 15.3Violet · ΔE 17Slate blue · ΔE 21.6Medium slateblue · ΔE 23.3
Nearest named CSS colourMedium purple (#9370DB)ΔE 11.31, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#96DA71
Analogous#8171DA, #DA71CA
Triadic#DAB571, #71DAB5
Split complementary#CADA71, #71DA81
Tetradic#DA8171, #96DA71, #71CADA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F4EAFA
Lighter +20%#DFC2EF
Lighter +10%#CA99E5
Darker −10%#A049CF
Darker −20%#862FB6
Darker −30%#68258D
Darker −40%#4A1A65
More saturated +25%#BC5BF0
Less saturated −25%#AE87C4

Channel breakdown

R181
G113
B218
Red181 (71%)
Green113 (44.3%)
Blue218 (85.5%)
Hue278.86°
Saturation (HSL)58.66%
Lightness64.9%
Dominant channelBlue
Hex per channelR B5 · G 71 · B DA

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Every value on this page was computed from “b571da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.