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Recognised as Colour

#731D2D

  • #731D2D
  • Red
  • Dark
  • Nearest: Brown

#731D2D is a red with RGB values 115, 29, 45 and HSL 349°, 60%, 28%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#731D2D#731D2D
HEX#731D2D
RGBrgb(115, 29, 45)
RGB (0–1)0.451, 0.1137, 0.1765
RGB percentages45.1%, 11.4%, 17.6%
HSLhsl(348.8, 59.7%, 28.2%)
HSV / HSBhsv(348.8, 74.8%, 45.1%)
CMYK0%, 74.8%, 60.9%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,544,109
CSS custom property--colour: #731D2D;

Brightness & contrast

Relative luminance0.04713WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.81:1
Contrast with white10.81:1WCAG normal text: AAA
Contrast with black1.94:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#8CE2D2

Colour vision & accessibility

Protanopia#33322Dno red cones; affects about 1% of men; ΔE 40.3 from the original
Deuteranopia#4A442Bno green cones; the most common form, about 1% of men; ΔE 40.5 from the original
Tritanopia#7E0624no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.81:1WCAG large text: AAA
Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 24.62, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1D7363
Analogous#731D58, #73381D
Triadic#2D731D, #1D2D73
Split complementary#1D7338, #1D5873
Tetradic#58731D, #1D7363, #381D73

Tints, shades & saturation

Lighter +40%#DE7E90
Lighter +30%#D4556D
Lighter +20%#C4324D
Lighter +10%#9C273D
Darker −10%#4A131D
Darker −20%#22080D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#850B22
Less saturated −25%#612F38

Channel breakdown

R115
G29
B45
Red115 (45.1%)
Green29 (11.4%)
Blue45 (17.6%)
Hue348.84°
Saturation (HSL)59.72%
Lightness28.24%
Dominant channelRed
Hex per channelR 73 · G 1D · B 2D

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Every value on this page was computed from “731d2d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.