Colour

#3600A8

#3600A8
Violet
Dark
Nearest: Dark blue

#3600A8 is a violet with RGB values 54, 0, 168 and HSL 259°, 100%, 33%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3600A8#3600A8

HEX#3600A8

RGBrgb(54, 0, 168)

RGB (0–1)0.2118, 0, 0.6588

RGB percentages21.2%, 0%, 65.9%

HSLhsl(259.3, 100%, 32.9%)

HSV / HSBhsv(259.3, 100%, 65.9%)

CMYK67.9%, 100%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,539,112

CSS custom property--colour: #3600A8;

Brightness & contrast

Relative luminance0.03611WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.19:1

Contrast with white12.19:1WCAG normal text: AAA

Contrast with black1.72:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#C9FF57

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003BACno red cones; affects about 1% of men; ΔE 30.5 from the original

Deuteranopia#002FA6no green cones; the most common form, about 1% of men; ΔE 23.9 from the original

Tritanopia#004261no blue cones; rare, and affects men and women equally; ΔE 82.2 from the original

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

Contrast with white, large text12.19:1WCAG large text: AAA

Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark blue · ΔE 12.6 Navy · ΔE 17.5 Medium blue · ΔE 19.6 Indigo · ΔE 21.9 Blue violet · ΔE 22.6 Dark violet · ΔE 24.6

Nearest named CSS colourDark blue (#00008B)ΔE 12.61, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#72A800

Analogous#001EA8, #8A00A8

Triadic#A83600, #00A836

Split complementary#A88A00, #1EA800

Tetradic#A8001E, #72A800, #00A88A

Tints, shades & saturation

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

Lighter +40%#A175FF

Lighter +30%#7F42FF

Lighter +20%#5C0FFF

Lighter +10%#4600DB

Darker −10%#260075

Darker −20%#150042

Darker −30%#05000F

Darker −40%#000000

More saturated +25%#3600A8

Less saturated −25%#3D1593

Channel breakdown

R54

B168

Red54 (21.2%)

Green0 (0%)

Blue168 (65.9%)

Hue259.29°

Saturation (HSL)100%

Lightness32.94%

Dominant channelBlue

Hex per channelR 36 · G 00 · B A8

Keep nerding

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#3600A8

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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