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Recognised as Colour

#552D82

  • #552D82
  • Violet
  • Dark
  • Nearest: Rebecca purple

#552D82 is a violet with RGB values 85, 45, 130 and HSL 268°, 49%, 34%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#552D82#552D82
HEX#552D82
RGBrgb(85, 45, 130)
RGB (0–1)0.3333, 0.1765, 0.5098
RGB percentages33.3%, 17.6%, 51%
HSLhsl(268.2, 48.6%, 34.3%)
HSV / HSBhsv(268.2, 65.4%, 51%)
CMYK34.6%, 65.4%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,582,210
CSS custom property--colour: #552D82;

Brightness & contrast

Relative luminance0.0542WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.08:1
Contrast with white10.08:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#AAD27D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004185no red cones; affects about 1% of men; ΔE 25.7 from the original
Deuteranopia#104280no green cones; the most common form, about 1% of men; ΔE 27.5 from the original
Tritanopia#4C3F53no blue cones; rare, and affects men and women equally; ΔE 40.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.08:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 10.3Dark slateblue · ΔE 10.6Midnight blue · ΔE 15.4Indigo · ΔE 21Purple · ΔE 23.2Slate blue · ΔE 24.1
Nearest named CSS colourRebecca purple (#663399)ΔE 10.27, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A822D
Analogous#2D3082, #802D82
Triadic#82552D, #2D8255
Split complementary#82802D, #2F822D
Tetradic#822D30, #5A822D, #2D8280

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BC9EDD
Lighter +30%#A178D0
Lighter +20%#8752C3
Lighter +10%#6E3AA8
Darker −10%#3C205C
Darker −20%#231336
Darker −30%#0B0610
Darker −40%#000000
More saturated +25%#541798
Less saturated −25%#56436C

Channel breakdown

R85
G45
B130
Red85 (33.3%)
Green45 (17.6%)
Blue130 (51%)
Hue268.24°
Saturation (HSL)48.57%
Lightness34.31%
Dominant channelBlue
Hex per channelR 55 · G 2D · B 82

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Every value on this page was computed from “552d82” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.