Recognised as Colour

#5100AB

#5100AB
Violet
Dark
Nearest: Dark blue

#5100AB is a violet with RGB values 81, 0, 171 and HSL 268°, 100%, 34%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#5100AB#5100AB

HEX#5100AB

RGBrgb(81, 0, 171)

RGB (0–1)0.3176, 0, 0.6706

RGB percentages31.8%, 0%, 67.1%

HSLhsl(268.4, 100%, 33.5%)

HSV / HSBhsv(268.4, 100%, 67.1%)

CMYK52.6%, 100%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,308,587

CSS custom property--colour: #5100AB;

Brightness & contrast

Relative luminance0.0469WCAG 2.x, 0 is black and 1 is white

Perceived brightness72.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.84:1

Contrast with white10.84:1WCAG normal text: AAA

Contrast with black1.94:1WCAG normal text: Fail

Greyscale equivalent#1E1E1E

Inverted#AEFF54

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003FAFno red cones; affects about 1% of men; ΔE 32.8 from the original

Deuteranopia#003AA8no green cones; the most common form, about 1% of men; ΔE 32.2 from the original

Tritanopia#314163no blue cones; rare, and affects men and women equally; ΔE 74.6 from the original

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

Contrast with white, large text10.84:1WCAG large text: AAA

Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Dark blue · ΔE 15.7 Blue violet · ΔE 19.1 Navy · ΔE 19.6 Indigo · ΔE 19.8 Dark violet · ΔE 20.3 Dark orchid · ΔE 20.4

Nearest named CSS colourDark blue (#00008B)ΔE 15.66, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5AAB00

Analogous#0004AB, #A600AB

Triadic#AB5100, #00AB51

Split complementary#ABA700, #04AB00

Tetradic#AB0004, #5AAB00, #00ABA6

Tints, shades & saturation

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

Lighter +40%#B878FF

Lighter +30%#9D45FF

Lighter +20%#8212FF

Lighter +10%#6900DE

Darker −10%#390078

Darker −20%#210045

Darker −30%#090012

Darker −40%#000000

More saturated +25%#5100AB

Less saturated −25%#521596

Channel breakdown

R81

B171

Red81 (31.8%)

Green0 (0%)

Blue171 (67.1%)

Hue268.42°

Saturation (HSL)100%

Lightness33.53%

Dominant channelBlue

Hex per channelR 51 · G 00 · B AB

Keep nerding

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

#5100AB

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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