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Recognised as Colour

#4A191C

  • #4A191C
  • Red
  • Dark
  • Nearest: Black

#4A191C is a red with RGB values 74, 25, 28 and HSL 356°, 49%, 19%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4A191C#4A191C
HEX#4A191C
RGBrgb(74, 25, 28)
RGB (0–1)0.2902, 0.098, 0.1098
RGB percentages29%, 9.8%, 11%
HSLhsl(356.3, 49.5%, 19.4%)
HSV / HSBhsv(356.3, 66.2%, 29%)
CMYK0%, 66.2%, 62.2%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,856,092
CSS custom property--colour: #4A191C;

Brightness & contrast

Relative luminance0.02235WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.51:1
Contrast with white14.51:1WCAG normal text: AAA
Contrast with black1.45:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#B5E6E3

Colour vision & accessibility

Protanopia#25231Cno red cones; affects about 1% of men; ΔE 24.9 from the original
Deuteranopia#312D1Bno green cones; the most common form, about 1% of men; ΔE 25.3 from the original
Tritanopia#51111Ano blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.51:1WCAG large text: AAA
Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 30.59, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#194A47
Analogous#4A1935, #4A2E19
Triadic#1C4A19, #191C4A
Split complementary#194A2E, #19354A
Tetradic#354A19, #194A47, #2E194A

Tints, shades & saturation

Lighter +40%#CB646B
Lighter +30%#BC4047
Lighter +20%#963339
Lighter +10%#70262A
Darker −10%#240C0E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#560D11
Less saturated −25%#3E2527

Channel breakdown

R74
G25
B28
Red74 (29%)
Green25 (9.8%)
Blue28 (11%)
Hue356.33°
Saturation (HSL)49.49%
Lightness19.41%
Dominant channelRed
Hex per channelR 4A · G 19 · B 1C

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Every value on this page was computed from “4a191c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.