Colour

#55408C

#55408C
Violet
Dark
Nearest: Dark slateblue

#55408C is a violet with RGB values 85, 64, 140 and HSL 257°, 37%, 40%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#55408C#55408C

HEX#55408C

RGBrgb(85, 64, 140)

RGB (0–1)0.3333, 0.251, 0.549

RGB percentages33.3%, 25.1%, 54.9%

HSLhsl(256.6, 37.3%, 40%)

HSV / HSBhsv(256.6, 54.3%, 54.9%)

CMYK39.3%, 54.3%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,587,084

CSS custom property--colour: #55408C;

Brightness & contrast

Relative luminance0.07492WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.41:1

Contrast with white8.41:1WCAG normal text: AAA

Contrast with black2.5:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#AABF73

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#204E8Fno red cones; affects about 1% of men; ΔE 19.2 from the original

Deuteranopia#244C8Ano green cones; the most common form, about 1% of men; ΔE 19.2 from the original

Tritanopia#47505Fno blue cones; rare, and affects men and women equally; ΔE 40.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.41:1WCAG large text: AAA

Contrast with black, large text2.5:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 3.8 Rebecca purple · ΔE 17.1 Midnight blue · ΔE 20.3 Slate blue · ΔE 23.8 Medium purple · ΔE 26.2 Royal blue · ΔE 30

Nearest named CSS colourDark slateblue (#483D8B)ΔE 3.84, a close match

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#778C40

Analogous#40518C, #7B408C

Triadic#8C5540, #408C55

Split complementary#8C7B40, #518C40

Tetradic#8C4051, #778C40, #408C7B

Tints, shades & saturation

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

Lighter +40%#C4B9DF

Lighter +30%#A696CF

Lighter +20%#8873BF

Lighter +10%#6A50AF

Darker −10%#403069

Darker −20%#2B2046

Darker −30%#151023

Darker −40%#000000

More saturated +25%#4A26A6

Less saturated −25%#605A73

Channel breakdown

R85

G64

B140

Red85 (33.3%)

Green64 (25.1%)

Blue140 (54.9%)

Hue256.58°

Saturation (HSL)37.25%

Lightness40%

Dominant channelBlue

Hex per channelR 55 · G 40 · B 8C

Keep nerding

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#55408C

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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