Recognised as Colour

#55148A

#55148A
Violet
Dark
Nearest: Indigo

#55148A is a violet with RGB values 85, 20, 138 and HSL 273°, 75%, 31%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#55148A#55148A

HEX#55148A

RGBrgb(85, 20, 138)

RGB (0–1)0.3333, 0.0784, 0.5412

RGB percentages33.3%, 7.8%, 54.1%

HSLhsl(273.1, 74.7%, 31%)

HSV / HSBhsv(273.1, 85.5%, 54.1%)

CMYK38.4%, 85.5%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,575,818

CSS custom property--colour: #55148A;

Brightness & contrast

Relative luminance0.04267WCAG 2.x, 0 is black and 1 is white

Perceived brightness67.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.33:1

Contrast with white11.33:1WCAG normal text: AAA

Contrast with black1.85:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#AAEB75

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00398Dno red cones; affects about 1% of men; ΔE 30 from the original

Deuteranopia#003A88no green cones; the most common form, about 1% of men; ΔE 33 from the original

Tritanopia#4A3651no blue cones; rare, and affects men and women equally; ΔE 52.1 from the original

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

Contrast with white, large text11.33:1WCAG large text: AAA

Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Indigo · ΔE 4.9 Rebecca purple · ΔE 11.6 Navy · ΔE 17.6 Purple · ΔE 18.5 Dark blue · ΔE 19.7 Dark magenta · ΔE 20

Nearest named CSS colourIndigo (#4B0082)ΔE 4.87, a close match

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#498A14

Analogous#1A148A, #8A1484

Triadic#8A5514, #148A55

Split complementary#848A14, #148A1A

Tetradic#8A1A14, #498A14, #14848A

Tints, shades & saturation

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

Lighter +40%#BB7EEC

Lighter +30%#A351E6

Lighter +20%#8B25DF

Lighter +10%#701AB7

Darker −10%#3A0E5D

Darker −20%#1E0731

Darker −30%#030104

Darker −40%#000000

More saturated +25%#57009E

Less saturated −25%#532876

Channel breakdown

R85

G20

B138

Red85 (33.3%)

Green20 (7.8%)

Blue138 (54.1%)

Hue273.05°

Saturation (HSL)74.68%

Lightness30.98%

Dominant channelBlue

Hex per channelR 55 · G 14 · B 8A

Keep nerding

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#55148A

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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