Colour

#47180C

#47180C
Red
Dark
Nearest: Saddle brown

#47180C is a red with RGB values 71, 24, 12 and HSL 12°, 71%, 16%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#47180C#47180C

HEX#47180C

RGBrgb(71, 24, 12)

RGB (0–1)0.2784, 0.0941, 0.0471

RGB percentages27.8%, 9.4%, 4.7%

HSLhsl(12.2, 71.1%, 16.3%)

HSV / HSBhsv(12.2, 83.1%, 27.8%)

CMYK0%, 66.2%, 83.1%, 72.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,659,212

CSS custom property--colour: #47180C;

Brightness & contrast

Relative luminance0.02019WCAG 2.x, 0 is black and 1 is white

Perceived brightness43.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.96:1

Contrast with white14.96:1WCAG normal text: AAA

Contrast with black1.4:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#B8E7F3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#25200Ano red cones; affects about 1% of men; ΔE 23.6 from the original

Deuteranopia#312B0Bno green cones; the most common form, about 1% of men; ΔE 23.9 from the original

Tritanopia#4F0D15no blue cones; rare, and affects men and women equally; ΔE 10.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.96:1WCAG large text: AAA

Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 31.7 Black · ΔE 32.5 Sienna · ΔE 33.8 Maroon · ΔE 34.2 Brown · ΔE 37.5 Dark red · ΔE 39.1

Nearest named CSS colourSaddle brown (#8B4513)ΔE 31.67, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0C3B47

Analogous#470C1E, #47350C

Triadic#0C4718, #180C47

Split complementary#0C4736, #0C1D47

Tetradic#1E470C, #0C3B47, #360C47

Tints, shades & saturation

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

Lighter +40%#DF6040

Lighter +30%#CA4422

Lighter +20%#9E351B

Lighter +10%#732713

Darker −10%#1B0905

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#511202

Less saturated −25%#3D1E16

Channel breakdown

R71

G24

B12

Red71 (27.8%)

Green24 (9.4%)

Blue12 (4.7%)

Hue12.2°

Saturation (HSL)71.08%

Lightness16.27%

Dominant channelRed

Hex per channelR 47 · G 18 · B 0C

Keep nerding

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#47180C

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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