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Recognised as Colour

#552F9D

  • #552F9D
  • Violet
  • Dark
  • Nearest: Rebecca purple

#552F9D is a violet with RGB values 85, 47, 157 and HSL 261°, 54%, 40%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#552F9D#552F9D
HEX#552F9D
RGBrgb(85, 47, 157)
RGB (0–1)0.3333, 0.1843, 0.6157
RGB percentages33.3%, 18.4%, 61.6%
HSLhsl(260.7, 53.9%, 40%)
HSV / HSBhsv(260.7, 70.1%, 61.6%)
CMYK45.9%, 70.1%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,582,749
CSS custom property--colour: #552F9D;

Brightness & contrast

Relative luminance0.06399WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.21:1
Contrast with white9.21:1WCAG normal text: AAA
Contrast with black2.28:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#AAD062

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049A0no red cones; affects about 1% of men; ΔE 26.1 from the original
Deuteranopia#00469Bno green cones; the most common form, about 1% of men; ΔE 26.1 from the original
Tritanopia#404A62no blue cones; rare, and affects men and women equally; ΔE 55.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.21:1WCAG large text: AAA
Contrast with black, large text2.28:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 7.1Indigo · ΔE 13.5Slate blue · ΔE 16.8Midnight blue · ΔE 18.6Dark slateblue · ΔE 20.2Navy · ΔE 21.2
Nearest named CSS colourRebecca purple (#663399)ΔE 7.06, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#779D2F
Analogous#2F409D, #8C2F9D
Triadic#9D552F, #2F9D55
Split complementary#9D8C2F, #409D2F
Tetradic#9D2F40, #779D2F, #2F9D8C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4B1E8
Lighter +30%#A689DC
Lighter +20%#8862D0
Lighter +10%#6A3BC4
Darker −10%#402376
Darker −20%#2B184F
Darker −30%#150C27
Darker −40%#000000
More saturated +25%#4D16B7
Less saturated −25%#5D4984

Channel breakdown

R85
G47
B157
Red85 (33.3%)
Green47 (18.4%)
Blue157 (61.6%)
Hue260.73°
Saturation (HSL)53.92%
Lightness40%
Dominant channelBlue
Hex per channelR 55 · G 2F · B 9D

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Every value on this page was computed from “552f9d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.