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Recognised as Colour

#8A4131

  • #8A4131
  • Red
  • Dark
  • Nearest: Sienna

#8A4131 is a red with RGB values 138, 65, 49 and HSL 11°, 48%, 37%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#8A4131#8A4131
HEX#8A4131
RGBrgb(138, 65, 49)
RGB (0–1)0.5412, 0.2549, 0.1922
RGB percentages54.1%, 25.5%, 19.2%
HSLhsl(10.8, 47.6%, 36.7%)
HSV / HSBhsv(10.8, 64.5%, 54.1%)
CMYK0%, 52.9%, 64.5%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,060,657
CSS custom property--colour: #8A4131;

Brightness & contrast

Relative luminance0.09406WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.29:1
Contrast with white7.29:1WCAG normal text: AAA
Contrast with black2.88:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#75BECE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#544D2Fno red cones; affects about 1% of men; ΔE 32.5 from the original
Deuteranopia#665C30no green cones; the most common form, about 1% of men; ΔE 32.4 from the original
Tritanopia#97343Dno blue cones; rare, and affects men and women equally; ΔE 14.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.29:1WCAG large text: AAA
Contrast with black, large text2.88:1WCAG large text: Fail

Named colours

Sienna · ΔE 13.4Saddle brown · ΔE 17.1Brown · ΔE 20.9Indian red · ΔE 22.6Maroon · ΔE 25.5Dark red · ΔE 28.6
Nearest named CSS colourSienna (#A0522D)ΔE 13.39, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#317A8A
Analogous#8A314D, #8A6E31
Triadic#318A41, #41318A
Split complementary#318A6D, #314E8A
Tetradic#4D8A31, #317A8A, #6E318A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0B1A7
Lighter +30%#D29082
Lighter +20%#C56F5C
Lighter +10%#B0533E
Darker −10%#642F24
Darker −20%#3F1E16
Darker −30%#190C09
Darker −40%#000000
More saturated +25%#A1321A
Less saturated −25%#735048

Channel breakdown

R138
G65
B49
Red138 (54.1%)
Green65 (25.5%)
Blue49 (19.2%)
Hue10.79°
Saturation (HSL)47.59%
Lightness36.67%
Dominant channelRed
Hex per channelR 8A · G 41 · B 31

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Every value on this page was computed from “8a4131” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.