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Recognised as Colour

#7F51B0

  • #7F51B0
  • Violet
  • Dark
  • Nearest: Rebecca purple

#7F51B0 is a violet with RGB values 127, 81, 176 and HSL 269°, 38%, 50%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Rebecca purple.

Colour values

#7F51B0#7F51B0
HEX#7F51B0
RGBrgb(127, 81, 176)
RGB (0–1)0.498, 0.3176, 0.6902
RGB percentages49.8%, 31.8%, 69%
HSLhsl(269.1, 37.5%, 50.4%)
HSV / HSBhsv(269.1, 54%, 69%)
CMYK27.8%, 54%, 0%, 31%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,343,984
CSS custom property--colour: #7F51B0;

Brightness & contrast

Relative luminance0.13531WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.67:1
Contrast with white5.67:1WCAG normal text: AA
Contrast with black3.71:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#80AE4F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3066B3no red cones; affects about 1% of men; ΔE 29.5 from the original
Deuteranopia#3F67AEno green cones; the most common form, about 1% of men; ΔE 29.5 from the original
Tritanopia#766379no blue cones; rare, and affects men and women equally; ΔE 43.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.67:1WCAG large text: AAA
Contrast with black, large text3.71:1WCAG large text: AA

Named colours

Rebecca purple · ΔE 12.1Medium purple · ΔE 13.2Slate blue · ΔE 14.4Dark slateblue · ΔE 17.8Medium orchid · ΔE 23.3Medium slateblue · ΔE 23.5
Nearest named CSS colourRebecca purple (#663399)ΔE 12.09, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#82B051
Analogous#5153B0, #AE51B0
Triadic#B07F51, #51B07F
Split complementary#B0AE51, #53B051
Tetradic#B05153, #82B051, #51B0AE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6DDF0
Lighter +30%#CCBAE0
Lighter +20%#B397D0
Lighter +10%#9974C0
Darker −10%#66408E
Darker −20%#4D306B
Darker −30%#332048
Darker −40%#1A1124
More saturated +25%#7E31D0
Less saturated −25%#807190

Channel breakdown

R127
G81
B176
Red127 (49.8%)
Green81 (31.8%)
Blue176 (69%)
Hue269.05°
Saturation (HSL)37.55%
Lightness50.39%
Dominant channelBlue
Hex per channelR 7F · G 51 · B B0

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Every value on this page was computed from “7f51b0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.