Colour

#3B0066

#3B0066
Violet
Dark
Nearest: Midnight blue

#3B0066 is a violet with RGB values 59, 0, 102 and HSL 275°, 100%, 20%. It is a dark colour, so white text on it reaches 15.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#3B0066#3B0066

HEX#3B0066

RGBrgb(59, 0, 102)

RGB (0–1)0.2314, 0, 0.4

RGB percentages23.1%, 0%, 40%

HSLhsl(274.7, 100%, 20%)

HSV / HSBhsv(274.7, 100%, 40%)

CMYK42.2%, 100%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,866,726

CSS custom property--colour: #3B0066;

Brightness & contrast

Relative luminance0.01889WCAG 2.x, 0 is black and 1 is white

Perceived brightness47.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.24:1

Contrast with white15.24:1WCAG normal text: AAA

Contrast with black1.38:1WCAG normal text: Fail

Greyscale equivalent#141414

Inverted#C4FF99

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002568no red cones; affects about 1% of men; ΔE 25.7 from the original

Deuteranopia#002564no green cones; the most common form, about 1% of men; ΔE 27.7 from the original

Tritanopia#312239no blue cones; rare, and affects men and women equally; ΔE 45 from the original

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

Contrast with white, large text15.24:1WCAG large text: AAA

Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13 Indigo · ΔE 13.2 Rebecca purple · ΔE 18.2 Navy · ΔE 20.7 Purple · ΔE 22.8 Dark slateblue · ΔE 23.8

Nearest named CSS colourMidnight blue (#191970)ΔE 12.99, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B6600

Analogous#080066, #66005E

Triadic#663B00, #00663B

Split complementary#5E6600, #006608

Tetradic#660800, #2B6600, #005E66

Tints, shades & saturation

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

Lighter +40%#A933FF

Lighter +30%#9400FF

Lighter +20%#7600CC

Lighter +10%#590099

Darker −10%#1E0033

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#3B0066

Less saturated −25%#390D59

Channel breakdown

R59

B102

Red59 (23.1%)

Green0 (0%)

Blue102 (40%)

Hue274.71°

Saturation (HSL)100%

Lightness20%

Dominant channelBlue

Hex per channelR 3B · G 00 · B 66

Keep nerding

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#3B0066

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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