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Recognised as Colour

#8A4B47

  • #8A4B47
  • Red
  • Dark
  • Nearest: Sienna

#8A4B47 is a red with RGB values 138, 75, 71 and HSL 4°, 32%, 41%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#8A4B47#8A4B47
HEX#8A4B47
RGBrgb(138, 75, 71)
RGB (0–1)0.5412, 0.2941, 0.2784
RGB percentages54.1%, 29.4%, 27.8%
HSLhsl(3.6, 32.1%, 41%)
HSV / HSBhsv(3.6, 48.6%, 54.1%)
CMYK0%, 45.7%, 48.6%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,063,239
CSS custom property--colour: #8A4B47;

Brightness & contrast

Relative luminance0.1089WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.61:1
Contrast with white6.61:1WCAG normal text: AA
Contrast with black3.18:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#75B4B8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#595546no red cones; affects about 1% of men; ΔE 28 from the original
Deuteranopia#686246no green cones; the most common form, about 1% of men; ΔE 28.8 from the original
Tritanopia#95424Ano blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.61:1WCAG large text: AAA
Contrast with black, large text3.18:1WCAG large text: AA

Named colours

Sienna · ΔE 22.1Indian red · ΔE 24.7Saddle brown · ΔE 26.9Rosy brown · ΔE 27Brown · ΔE 28.7Dim grey · ΔE 30.2
Nearest named CSS colourSienna (#A0522D)ΔE 22.12, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#47868A
Analogous#8A4764, #8A6D47
Triadic#478A4B, #4B478A
Split complementary#478A6D, #47648A
Tetradic#648A47, #47868A, #6D478A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEC1BF
Lighter +30%#CDA09D
Lighter +20%#BB7F7C
Lighter +10%#AA5F5A
Darker −10%#683936
Darker −20%#472624
Darker −30%#251413
Darker −40%#030202
More saturated +25%#A4342D
Less saturated −25%#706261

Channel breakdown

R138
G75
B71
Red138 (54.1%)
Green75 (29.4%)
Blue71 (27.8%)
Hue3.58°
Saturation (HSL)32.06%
Lightness40.98%
Dominant channelRed
Hex per channelR 8A · G 4B · B 47

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Every value on this page was computed from “8a4b47” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.