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Colour

#640C7D

  • #640C7D
  • Violet
  • Dark
  • Nearest: Purple

#640C7D is a violet with RGB values 100, 12, 125 and HSL 287°, 82%, 27%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Purple.

Colour values

#640C7D#640C7D
HEX#640C7D
RGBrgb(100, 12, 125)
RGB (0–1)0.3922, 0.0471, 0.4902
RGB percentages39.2%, 4.7%, 49%
HSLhsl(286.7, 82.5%, 26.9%)
HSV / HSBhsv(286.7, 90.4%, 49%)
CMYK20%, 90.4%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,556,797
CSS custom property--colour: #640C7D;

Brightness & contrast

Relative luminance0.04453WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.11:1
Contrast with white11.11:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#9BF382

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003780no red cones; affects about 1% of men; ΔE 36 from the original
Deuteranopia#0B3E7Bno green cones; the most common form, about 1% of men; ΔE 42.5 from the original
Tritanopia#622B48no blue cones; rare, and affects men and women equally; ΔE 42.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.11:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Purple · ΔE 10.6Indigo · ΔE 11.9Rebecca purple · ΔE 12.5Dark magenta · ΔE 13.9Midnight blue · ΔE 22.9Navy · ΔE 25.7
Nearest named CSS colourPurple (#800080)ΔE 10.63, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#257D0C
Analogous#2B0C7D, #7D0C5E
Triadic#7D640C, #0C7D64
Split complementary#5E7D0C, #0C7D2B
Tetradic#7D2B0C, #257D0C, #0C5E7D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D165F0
Lighter +30%#C436EC
Lighter +20%#AE15DA
Lighter +10%#8910AC
Darker −10%#3F084E
Darker −20%#1A0320
Darker −30%#000000
Darker −40%#000000
More saturated +25%#6B0089
Less saturated −25%#5A1D6C

Channel breakdown

R100
G12
B125
Red100 (39.2%)
Green12 (4.7%)
Blue125 (49%)
Hue286.73°
Saturation (HSL)82.48%
Lightness26.86%
Dominant channelBlue
Hex per channelR 64 · G 0C · B 7D

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Every value on this page was computed from “640c7d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.