Colour

#68008B

#68008B
Violet
Dark
Nearest: Indigo

#68008B is a violet with RGB values 104, 0, 139 and HSL 285°, 100%, 27%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#68008B#68008B

HEX#68008B

RGBrgb(104, 0, 139)

RGB (0–1)0.4078, 0, 0.5451

RGB percentages40.8%, 0%, 54.5%

HSLhsl(284.9, 100%, 27.3%)

HSV / HSBhsv(284.9, 100%, 54.5%)

CMYK25.2%, 100%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,815,883

CSS custom property--colour: #68008B;

Brightness & contrast

Relative luminance0.04807WCAG 2.x, 0 is black and 1 is white

Perceived brightness73.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.71:1

Contrast with white10.71:1WCAG normal text: AAA

Contrast with black1.96:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#97FF74

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00398Eno red cones; affects about 1% of men; ΔE 37 from the original

Deuteranopia#004089no green cones; the most common form, about 1% of men; ΔE 44.3 from the original

Tritanopia#642E4Fno blue cones; rare, and affects men and women equally; ΔE 49.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text10.71:1WCAG large text: AAA

Contrast with black, large text1.96:1WCAG large text: Fail

Named colours

Indigo · ΔE 8.8 Purple · ΔE 13.6 Dark magenta · ΔE 13.6 Rebecca purple · ΔE 15.9 Dark orchid · ΔE 21.8 Navy · ΔE 22.4

Nearest named CSS colourIndigo (#4B0082)ΔE 8.78, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#238B00

Analogous#22008B, #8B0069

Triadic#8B6800, #008B68

Split complementary#698B00, #008B22

Tetradic#8B2200, #238B00, #00698B

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#D558FF

Lighter +30%#C825FF

Lighter +20%#B400F1

Lighter +10%#8E00BE

Darker −10%#420058

Darker −20%#1C0025

Darker −30%#000000

Darker −40%#000000

More saturated +25%#68008B

Less saturated −25%#5F117A

Channel breakdown

R104

B139

Red104 (40.8%)

Green0 (0%)

Blue139 (54.5%)

Hue284.89°

Saturation (HSL)100%

Lightness27.25%

Dominant channelBlue

Hex per channelR 68 · G 00 · B 8B

Keep nerding

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#68008B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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