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Colour

#4E1831

  • #4E1831
  • Red
  • Dark
  • Nearest: Black

#4E1831 is a red with RGB values 78, 24, 49 and HSL 332°, 53%, 20%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4E1831#4E1831
HEX#4E1831
RGBrgb(78, 24, 49)
RGB (0–1)0.3059, 0.0941, 0.1922
RGB percentages30.6%, 9.4%, 19.2%
HSLhsl(332.2, 52.9%, 20%)
HSV / HSBhsv(332.2, 69.2%, 30.6%)
CMYK0%, 69.2%, 37.2%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,118,001
CSS custom property--colour: #4E1831;

Brightness & contrast

Relative luminance0.02495WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.01:1
Contrast with white14.01:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#B1E7CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#212632no red cones; affects about 1% of men; ΔE 27.6 from the original
Deuteranopia#2F2F30no green cones; the most common form, about 1% of men; ΔE 28.1 from the original
Tritanopia#541422no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.01:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Black · ΔE 33.5Dim grey · ΔE 38.8Dark slateblue · ΔE 41.1Dark slate grey · ΔE 42Brown · ΔE 44.5Gray · ΔE 45.6
Nearest named CSS colourBlack (#000000)ΔE 33.5, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#184E35
Analogous#4E184C, #4E1A18
Triadic#314E18, #18314E
Split complementary#184E1A, #184C4E
Tetradic#4C4E18, #184E35, #1A184E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CF6395
Lighter +30%#C33C7B
Lighter +20%#9C3062
Lighter +10%#75244A
Darker −10%#270C19
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5B0B30
Less saturated −25%#412532

Channel breakdown

R78
G24
B49
Red78 (30.6%)
Green24 (9.4%)
Blue49 (19.2%)
Hue332.22°
Saturation (HSL)52.94%
Lightness20%
Dominant channelRed
Hex per channelR 4E · G 18 · B 31

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Every value on this page was computed from “4e1831” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.