Recognised as Colour

#471DBB

#471DBB
Violet
Dark
Nearest: Dark blue

#471DBB is a violet with RGB values 71, 29, 187 and HSL 256°, 73%, 42%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#471DBB#471DBB

HEX#471DBB

RGBrgb(71, 29, 187)

RGB (0–1)0.2784, 0.1137, 0.7333

RGB percentages27.8%, 11.4%, 73.3%

HSLhsl(255.9, 73.1%, 42.4%)

HSV / HSBhsv(255.9, 84.5%, 73.3%)

CMYK62%, 84.5%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,660,667

CSS custom property--colour: #471DBB;

Brightness & contrast

Relative luminance0.05806WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.72:1

Contrast with white9.72:1WCAG normal text: AAA

Contrast with black2.16:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#B8E244

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0049BFno red cones; affects about 1% of men; ΔE 29.7 from the original

Deuteranopia#003FB8no green cones; the most common form, about 1% of men; ΔE 25.1 from the original

Tritanopia#00506Fno blue cones; rare, and affects men and women equally; ΔE 83.2 from the original

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

Contrast with white, large text9.72:1WCAG large text: AAA

Contrast with black, large text2.16:1WCAG large text: Fail

Named colours

Dark blue · ΔE 16.7 Blue violet · ΔE 18.3 Medium blue · ΔE 20.3 Navy · ΔE 21 Dark orchid · ΔE 21.7 Dark violet · ΔE 22.2

Nearest named CSS colourDark blue (#00008B)ΔE 16.68, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#91BB1D

Analogous#1D42BB, #961DBB

Triadic#BB471D, #1DBB47

Split complementary#BB961D, #42BB1D

Tetradic#BB1D42, #91BB1D, #1DBB96

Tints, shades & saturation

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

Lighter +40%#C3B1F3

Lighter +30%#A085EC

Lighter +20%#7E59E5

Lighter +10%#5C2DDE

Darker −10%#36168F

Darker −20%#250F63

Darker −30%#150837

Darker −40%#04020A

More saturated +25%#3A02D6

Less saturated −25%#5438A0

Channel breakdown

R71

G29

B187

Red71 (27.8%)

Green29 (11.4%)

Blue187 (73.3%)

Hue255.95°

Saturation (HSL)73.15%

Lightness42.35%

Dominant channelBlue

Hex per channelR 47 · G 1D · B BB

Keep nerding

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

#471DBB

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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