Colour

#47081B

#47081B
Red
Dark
Nearest: Black

#47081B is a red with RGB values 71, 8, 27 and HSL 342°, 80%, 15%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#47081B#47081B

HEX#47081B

RGBrgb(71, 8, 27)

RGB (0–1)0.2784, 0.0314, 0.1059

RGB percentages27.8%, 3.1%, 10.6%

HSLhsl(341.9, 79.7%, 15.5%)

HSV / HSBhsv(341.9, 88.7%, 27.8%)

CMYK0%, 88.7%, 62%, 72.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,655,131

CSS custom property--colour: #47081B;

Brightness & contrast

Relative luminance0.01592WCAG 2.x, 0 is black and 1 is white

Perceived brightness40.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.93:1

Contrast with white15.93:1WCAG normal text: AAA

Contrast with black1.32:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#B8F7E4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#191A1Bno red cones; affects about 1% of men; ΔE 31.4 from the original

Deuteranopia#2A2619no green cones; the most common form, about 1% of men; ΔE 31.1 from the original

Tritanopia#4E0010no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original

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

Contrast with white, large text15.93:1WCAG large text: AAA

Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Black · ΔE 33.4 Maroon · ΔE 38.8 Brown · ΔE 39.8 Sienna · ΔE 42.7 Saddle brown · ΔE 42.8 Dark red · ΔE 43.7

Nearest named CSS colourBlack (#000000)ΔE 33.42, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#084734

Analogous#47083A, #471508

Triadic#1B4708, #081B47

Split complementary#084715, #083A47

Tetradic#3A4708, #084734, #150847

Tints, shades & saturation

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

Lighter +40%#E8336A

Lighter +30%#D1174F

Lighter +20%#A3123E

Lighter +10%#750D2C

Darker −10%#19030A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4F0018

Less saturated −25%#3D121F

Channel breakdown

R71

B27

Red71 (27.8%)

Green8 (3.1%)

Blue27 (10.6%)

Hue341.9°

Saturation (HSL)79.75%

Lightness15.49%

Dominant channelRed

Hex per channelR 47 · G 08 · B 1B

Keep nerding

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#47081B

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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