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Recognised as Colour

#39212D

  • #39212D
  • Red
  • Dark
  • Nearest: Black

#39212D is a red with RGB values 57, 33, 45 and HSL 330°, 27%, 18%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#39212D#39212D
HEX#39212D
RGBrgb(57, 33, 45)
RGB (0–1)0.2235, 0.1294, 0.1765
RGB percentages22.4%, 12.9%, 17.6%
HSLhsl(330, 26.7%, 17.6%)
HSV / HSBhsv(330, 42.1%, 22.4%)
CMYK0%, 42.1%, 21.1%, 77.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,744,045
CSS custom property--colour: #39212D;

Brightness & contrast

Relative luminance0.02147WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.69:1
Contrast with white14.69:1WCAG normal text: AAA
Contrast with black1.43:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#C6DED2

Colour vision & accessibility

Protanopia#23262Dno red cones; affects about 1% of men; ΔE 13.3 from the original
Deuteranopia#292A2Cno green cones; the most common form, about 1% of men; ΔE 13.8 from the original
Tritanopia#3C2025no blue cones; rare, and affects men and women equally; ΔE 5.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.69:1WCAG large text: AAA
Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 21.46, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#21392D
Analogous#392139, #392121
Triadic#2D3921, #212D39
Split complementary#213921, #213939
Tetradic#393921, #21392D, #212139

Tints, shades & saturation

Lighter +40%#B07693
Lighter +30%#9A597A
Lighter +20%#7A4660
Lighter +10%#593447
Darker −10%#190E14
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#44162D
Less saturated −25%#2E2C2D

Channel breakdown

R57
G33
B45
Red57 (22.4%)
Green33 (12.9%)
Blue45 (17.6%)
Hue330°
Saturation (HSL)26.67%
Lightness17.65%
Dominant channelRed
Hex per channelR 39 · G 21 · B 2D

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Every value on this page was computed from “39212d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.