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Recognised as Colour

#8A2637

  • #8A2637
  • Red
  • Dark
  • Nearest: Brown

#8A2637 is a red with RGB values 138, 38, 55 and HSL 350°, 57%, 35%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#8A2637#8A2637
HEX#8A2637
RGBrgb(138, 38, 55)
RGB (0–1)0.5412, 0.149, 0.2157
RGB percentages54.1%, 14.9%, 21.6%
HSLhsl(349.8, 56.8%, 34.5%)
HSV / HSBhsv(349.8, 72.5%, 54.1%)
CMYK0%, 72.5%, 60.1%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,053,751
CSS custom property--colour: #8A2637;

Brightness & contrast

Relative luminance0.07065WCAG 2.x, 0 is black and 1 is white
Perceived brightness83 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.7:1
Contrast with white8.7:1WCAG normal text: AAA
Contrast with black2.41:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#75D9C8

Colour vision & accessibility

Protanopia#403E37no red cones; affects about 1% of men; ΔE 45.2 from the original
Deuteranopia#5A5334no green cones; the most common form, about 1% of men; ΔE 45.8 from the original
Tritanopia#970C2Dno blue cones; rare, and affects men and women equally; ΔE 12.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.7:1WCAG large text: AAA
Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 18.37, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#268A79
Analogous#8A2669, #8A4726
Triadic#378A26, #26378A
Split complementary#268A47, #26698A
Tetradic#698A26, #268A79, #47268A

Tints, shades & saturation

Lighter +40%#E399A6
Lighter +30%#D87183
Lighter +20%#CD4960
Lighter +10%#B23147
Darker −10%#621B27
Darker −20%#3A1017
Darker −30%#120507
Darker −40%#000000
More saturated +25%#A01028
Less saturated −25%#743C46

Channel breakdown

R138
G38
B55
Red138 (54.1%)
Green38 (14.9%)
Blue55 (21.6%)
Hue349.8°
Saturation (HSL)56.82%
Lightness34.51%
Dominant channelRed
Hex per channelR 8A · G 26 · B 37

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Every value on this page was computed from “8a2637” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.