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Recognised as Colour

#8A1601

  • #8A1601
  • Red
  • Dark
  • Nearest: Dark red

#8A1601 is a red with RGB values 138, 22, 1 and HSL 9°, 99%, 27%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#8A1601#8A1601
HEX#8A1601
RGBrgb(138, 22, 1)
RGB (0–1)0.5412, 0.0863, 0.0039
RGB percentages54.1%, 8.6%, 0.4%
HSLhsl(9.2, 98.6%, 27.3%)
HSV / HSBhsv(9.2, 99.3%, 54.1%)
CMYK0%, 84.1%, 99.3%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,049,601
CSS custom property--colour: #8A1601;

Brightness & contrast

Relative luminance0.05979WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.56:1
Contrast with white9.56:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#75E9FE

Colour vision & accessibility

Protanopia#3D3500no red cones; affects about 1% of men; ΔE 51 from the original
Deuteranopia#594E00no green cones; the most common form, about 1% of men; ΔE 50.1 from the original
Tritanopia#990014no blue cones; rare, and affects men and women equally; ΔE 10.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.56:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark red (#8B0000)ΔE 4.75, a close match
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#01758A
Analogous#8A0131, #8A5A01
Triadic#018A16, #16018A
Split complementary#018A5A, #01318A
Tetradic#318A01, #01758A, #5A018A

Tints, shades & saturation

Lighter +40%#FE7259
Lighter +30%#FD4827
Lighter +20%#EF2602
Lighter +10%#BD1E01
Darker −10%#570E01
Darker −20%#250600
Darker −30%#000000
Darker −40%#000000
More saturated +25%#8B1500
Less saturated −25%#792212

Channel breakdown

R138
G22
B1
Red138 (54.1%)
Green22 (8.6%)
Blue1 (0.4%)
Hue9.2°
Saturation (HSL)98.56%
Lightness27.25%
Dominant channelRed
Hex per channelR 8A · G 16 · B 01

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Every value on this page was computed from “8a1601” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.