Colour

#540BCB

#540BCB
Violet
Dark
Nearest: Medium blue

#540BCB is a violet with RGB values 84, 11, 203 and HSL 263°, 90%, 42%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#540BCB#540BCB

HEX#540BCB

RGBrgb(84, 11, 203)

RGB (0–1)0.3294, 0.0431, 0.7961

RGB percentages32.9%, 4.3%, 79.6%

HSLhsl(262.8, 89.7%, 42%)

HSV / HSBhsv(262.8, 94.6%, 79.6%)

CMYK58.6%, 94.6%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,508,043

CSS custom property--colour: #540BCB;

Brightness & contrast

Relative luminance0.06436WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.18:1

Contrast with white9.18:1WCAG normal text: AAA

Contrast with black2.29:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#ABF434

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004CD0no red cones; affects about 1% of men; ΔE 34.9 from the original

Deuteranopia#0043C8no green cones; the most common form, about 1% of men; ΔE 31.7 from the original

Tritanopia#0E5277no blue cones; rare, and affects men and women equally; ΔE 90.9 from the original

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

Contrast with white, large text9.18:1WCAG large text: AAA

Contrast with black, large text2.29:1WCAG large text: Fail

Named colours

Medium blue · ΔE 11.9 Blue violet · ΔE 13.5 Dark violet · ΔE 16.8 Dark orchid · ΔE 24.6 Dark blue · ΔE 26 Blue · ΔE 29.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 11.85, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#82CB0B

Analogous#0B22CB, #B40BCB

Triadic#CB540B, #0BCB54

Split complementary#CBB40B, #22CB0B

Tetradic#CB0B22, #82CB0B, #0BCBB4

Tints, shades & saturation

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

Lighter +40%#C7A8FA

Lighter +30%#A877F8

Lighter +20%#8947F5

Lighter +10%#6A17F2

Darker −10%#40089B

Darker −20%#2C066A

Darker −30%#18033A

Darker −40%#040109

More saturated +25%#5100D6

Less saturated −25%#5A26B0

Channel breakdown

R84

G11

B203

Red84 (32.9%)

Green11 (4.3%)

Blue203 (79.6%)

Hue262.81°

Saturation (HSL)89.72%

Lightness41.96%

Dominant channelBlue

Hex per channelR 54 · G 0B · B CB

Keep nerding

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

#540BCB

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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