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Recognised as Colour

#64037F

  • #64037F
  • Violet
  • Dark
  • Nearest: Indigo

#64037F is a violet with RGB values 100, 3, 127 and HSL 287°, 95%, 25%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#64037F#64037F
HEX#64037F
RGBrgb(100, 3, 127)
RGB (0–1)0.3922, 0.0118, 0.498
RGB percentages39.2%, 1.2%, 49.8%
HSLhsl(286.9, 95.4%, 25.5%)
HSV / HSBhsv(286.9, 97.6%, 49.8%)
CMYK21.3%, 97.6%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,554,495
CSS custom property--colour: #64037F;

Brightness & contrast

Relative luminance0.04307WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.28:1
Contrast with white11.28:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#9BFC80

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003682no red cones; affects about 1% of men; ΔE 36.6 from the original
Deuteranopia#003D7Dno green cones; the most common form, about 1% of men; ΔE 43.9 from the original
Tritanopia#622949no blue cones; rare, and affects men and women equally; ΔE 43.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.28:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Indigo · ΔE 10.1Purple · ΔE 10.8Dark magenta · ΔE 13.2Rebecca purple · ΔE 13.8Midnight blue · ΔE 24.2Navy · ΔE 24.2
Nearest named CSS colourIndigo (#4B0082)ΔE 10.05, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1E7F03
Analogous#26037F, #7F035C
Triadic#7F6403, #037F64
Split complementary#5C7F03, #037F26
Tetradic#7F2603, #1E7F03, #035C7F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D653FB
Lighter +30%#CB21FA
Lighter +20%#B205E3
Lighter +10%#8B04B1
Darker −10%#3D024D
Darker −20%#16011B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#660082
Less saturated −25%#5B136F

Channel breakdown

R100
G3
B127
Red100 (39.2%)
Green3 (1.2%)
Blue127 (49.8%)
Hue286.94°
Saturation (HSL)95.38%
Lightness25.49%
Dominant channelBlue
Hex per channelR 64 · G 03 · B 7F

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Every value on this page was computed from “64037f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.