Colour

#4B00A8

#4B00A8
Violet
Dark
Nearest: Dark blue

#4B00A8 is a violet with RGB values 75, 0, 168 and HSL 267°, 100%, 33%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#4B00A8#4B00A8

HEX#4B00A8

RGBrgb(75, 0, 168)

RGB (0–1)0.2941, 0, 0.6588

RGB percentages29.4%, 0%, 65.9%

HSLhsl(266.8, 100%, 32.9%)

HSV / HSBhsv(266.8, 100%, 65.9%)

CMYK55.4%, 100%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,915,368

CSS custom property--colour: #4B00A8;

Brightness & contrast

Relative luminance0.04323WCAG 2.x, 0 is black and 1 is white

Perceived brightness70 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.26:1

Contrast with white11.26:1WCAG normal text: AAA

Contrast with black1.86:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#B4FF57

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003DACno red cones; affects about 1% of men; ΔE 31.7 from the original

Deuteranopia#0037A5no green cones; the most common form, about 1% of men; ΔE 30.3 from the original

Tritanopia#254161no blue cones; rare, and affects men and women equally; ΔE 76.7 from the original

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

Contrast with white, large text11.26:1WCAG large text: AAA

Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark blue · ΔE 14.1 Navy · ΔE 18.1 Indigo · ΔE 19.1 Blue violet · ΔE 20.5 Dark orchid · ΔE 21.6 Dark violet · ΔE 21.9

Nearest named CSS colourDark blue (#00008B)ΔE 14.08, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5DA800

Analogous#0009A8, #9F00A8

Triadic#A84B00, #00A84B

Split complementary#A89F00, #09A800

Tetradic#A80009, #5DA800, #00A89F

Tints, shades & saturation

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

Lighter +40%#B375FF

Lighter +30%#9642FF

Lighter +20%#7A0FFF

Lighter +10%#6200DB

Darker −10%#340075

Darker −20%#1D0042

Darker −30%#07000F

Darker −40%#000000

More saturated +25%#4B00A8

Less saturated −25%#4D1593

Channel breakdown

R75

B168

Red75 (29.4%)

Green0 (0%)

Blue168 (65.9%)

Hue266.79°

Saturation (HSL)100%

Lightness32.94%

Dominant channelBlue

Hex per channelR 4B · G 00 · B A8

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#4B00A8

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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