Colour

#4B1979

#4B1979
Violet
Dark
Nearest: Rebecca purple

#4B1979 is a violet with RGB values 75, 25, 121 and HSL 271°, 66%, 29%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#4B1979#4B1979

HEX#4B1979

RGBrgb(75, 25, 121)

RGB (0–1)0.2941, 0.098, 0.4745

RGB percentages29.4%, 9.8%, 47.5%

HSLhsl(271.3, 65.8%, 28.6%)

HSV / HSBhsv(271.3, 79.3%, 47.5%)

CMYK38%, 79.3%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,921,721

CSS custom property--colour: #4B1979;

Brightness & contrast

Relative luminance0.03572WCAG 2.x, 0 is black and 1 is white

Perceived brightness61 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.25:1

Contrast with white12.25:1WCAG normal text: AAA

Contrast with black1.71:1WCAG normal text: Fail

Greyscale equivalent#2B2B2B

Inverted#B4E686

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00347Cno red cones; affects about 1% of men; ΔE 26 from the original

Deuteranopia#003577no green cones; the most common form, about 1% of men; ΔE 29 from the original

Tritanopia#413248no blue cones; rare, and affects men and women equally; ΔE 45.3 from the original

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

Contrast with white, large text12.25:1WCAG large text: AAA

Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 11 Midnight blue · ΔE 12.9 Indigo · ΔE 13.1 Dark slateblue · ΔE 18.2 Purple · ΔE 20.4 Navy · ΔE 22.7

Nearest named CSS colourRebecca purple (#663399)ΔE 11.01, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#477919

Analogous#1B1979, #791977

Triadic#794B19, #19794B

Split complementary#777919, #19791B

Tetradic#791B19, #477919, #197779

Tints, shades & saturation

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

Lighter +40%#B17AE4

Lighter +30%#9850DB

Lighter +20%#7F2ACE

Lighter +10%#6522A3

Darker −10%#31104F

Darker −20%#170824

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4C078B

Less saturated −25%#4A2B67

Channel breakdown

R75

G25

B121

Red75 (29.4%)

Green25 (9.8%)

Blue121 (47.5%)

Hue271.25°

Saturation (HSL)65.75%

Lightness28.63%

Dominant channelBlue

Hex per channelR 4B · G 19 · B 79

Keep nerding

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#4B1979

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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