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Recognised as Colour

#47281B

  • #47281B
  • Orange
  • Dark
  • Nearest: Black

#47281B is a orange with RGB values 71, 40, 27 and HSL 18°, 45%, 19%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#47281B#47281B
HEX#47281B
RGBrgb(71, 40, 27)
RGB (0–1)0.2784, 0.1569, 0.1059
RGB percentages27.8%, 15.7%, 10.6%
HSLhsl(17.7, 44.9%, 19.2%)
HSV / HSBhsv(17.7, 62%, 27.8%)
CMYK0%, 43.7%, 62%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,663,323
CSS custom property--colour: #47281B;

Brightness & contrast

Relative luminance0.02936WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.23:1
Contrast with white13.23:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#B8D7E4

Colour vision & accessibility

Protanopia#302C1Ano red cones; affects about 1% of men; ΔE 14.8 from the original
Deuteranopia#38321Bno green cones; the most common form, about 1% of men; ΔE 14.3 from the original
Tritanopia#4E2325no blue cones; rare, and affects men and women equally; ΔE 9.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.23:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 27.83, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1B3A47
Analogous#471B24, #473E1B
Triadic#1B4728, #281B47
Split complementary#1B473E, #1B2447
Tetradic#24471B, #1B3A47, #3E1B47

Tints, shades & saturation

Lighter +40%#C68468
Lighter +30%#B66645
Lighter +20%#915237
Lighter +10%#6C3D29
Darker −10%#22130D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#53230F
Less saturated −25%#3B2D27

Channel breakdown

R71
G40
B27
Red71 (27.8%)
Green40 (15.7%)
Blue27 (10.6%)
Hue17.73°
Saturation (HSL)44.9%
Lightness19.22%
Dominant channelRed
Hex per channelR 47 · G 28 · B 1B

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Every value on this page was computed from “47281b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.