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Recognised as Colour

#64218B

  • #64218B
  • Violet
  • Dark
  • Nearest: Rebecca purple

#64218B is a violet with RGB values 100, 33, 139 and HSL 278°, 62%, 34%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#64218B#64218B
HEX#64218B
RGBrgb(100, 33, 139)
RGB (0–1)0.3922, 0.1294, 0.5451
RGB percentages39.2%, 12.9%, 54.5%
HSLhsl(277.9, 61.6%, 33.7%)
HSV / HSBhsv(277.9, 76.3%, 54.5%)
CMYK28.1%, 76.3%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,562,187
CSS custom property--colour: #64218B;

Brightness & contrast

Relative luminance0.05661WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.85:1
Contrast with white9.85:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#9BDE74

Colour vision & accessibility

Protanopia#00418Eno red cones; affects about 1% of men; ΔE 33.2 from the original
Deuteranopia#034489no green cones; the most common form, about 1% of men; ΔE 37.3 from the original
Tritanopia#5E3A54no blue cones; rare, and affects men and women equally; ΔE 45.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.85:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Nearest named CSS colourRebecca purple (#663399)ΔE 6.61, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#488B21
Analogous#2F218B, #8B217D
Triadic#8B6421, #218B64
Split complementary#7D8B21, #218B2F
Tetradic#8B2F21, #488B21, #217D8B

Tints, shades & saturation

Lighter +40%#C793E5
Lighter +30%#B269DC
Lighter +20%#9C40D2
Lighter +10%#822BB4
Darker −10%#461762
Darker −20%#290D39
Darker −30%#0B040F
Darker −40%#000000
More saturated +25%#6A0CA0
Less saturated −25%#5E3675

Channel breakdown

R100
G33
B139
Red100 (39.2%)
Green33 (12.9%)
Blue139 (54.5%)
Hue277.92°
Saturation (HSL)61.63%
Lightness33.73%
Dominant channelBlue
Hex per channelR 64 · G 21 · B 8B

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Every value on this page was computed from “64218b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.