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Recognised as Colour

#281A1E

  • #281A1E
  • Red
  • Dark
  • Nearest: Black

#281A1E is a red with RGB values 40, 26, 30 and HSL 343°, 21%, 13%. It is a dark colour, so white text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#281A1E#281A1E
HEX#281A1E
RGBrgb(40, 26, 30)
RGB (0–1)0.1569, 0.102, 0.1176
RGB percentages15.7%, 10.2%, 11.8%
HSLhsl(342.9, 21.2%, 12.9%)
HSV / HSBhsv(342.9, 35%, 15.7%)
CMYK0%, 35%, 25%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,628,126
CSS custom property--colour: #281A1E;

Brightness & contrast

Relative luminance0.01284WCAG 2.x, 0 is black and 1 is white
Perceived brightness31.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.71:1
Contrast with white16.71:1WCAG normal text: AAA
Contrast with black1.26:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#D7E5E1

Colour vision & accessibility

Protanopia#1C1C1Eno red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#1F1F1Eno green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#2A191Bno blue cones; rare, and affects men and women equally; ΔE 2.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.71:1WCAG large text: AAA
Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 13.59, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1A2824
Analogous#281A25, #281D1A
Triadic#1E281A, #1A1E28
Split complementary#1A281D, #1A2528
Tetradic#25281A, #1A2824, #1D1A28

Tints, shades & saturation

Lighter +40%#A06E7C
Lighter +30%#855664
Lighter +20%#66424C
Lighter +10%#472E35
Darker −10%#090607
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#30121A
Less saturated −25%#212121

Channel breakdown

R40
G26
B30
Red40 (15.7%)
Green26 (10.2%)
Blue30 (11.8%)
Hue342.86°
Saturation (HSL)21.21%
Lightness12.94%
Dominant channelRed
Hex per channelR 28 · G 1A · B 1E

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Every value on this page was computed from “281a1e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.