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Recognised as Colour

#393C37

  • #393C37
  • Grey
  • Dark
  • Nearest: Dark slate grey

#393C37 is a grey with RGB values 57, 60, 55 and HSL 96°, 4%, 23%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#393C37#393C37
HEX#393C37
RGBrgb(57, 60, 55)
RGB (0–1)0.2235, 0.2353, 0.2157
RGB percentages22.4%, 23.5%, 21.6%
HSLhsl(96, 4.3%, 22.5%)
HSV / HSBhsv(96, 8.3%, 23.5%)
CMYK5%, 0%, 8.3%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,750,967
CSS custom property--colour: #393C37;

Brightness & contrast

Relative luminance0.04377WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.2:1
Contrast with white11.2:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#C6C3C8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D3B37no red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#3C3B37no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#393C3Bno blue cones; rare, and affects men and women equally; ΔE 2.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.2:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13Dim grey · ΔE 19.9Black · ΔE 25.1Gray · ΔE 28.9Slate grey · ΔE 30.9Light slate grey · ΔE 33.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.96, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A373C
Analogous#3C3C37, #373C38
Triadic#37393C, #3C3739
Split complementary#38373C, #3C373C
Tetradic#373C3C, #3A373C, #3C3837

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9FA49B
Lighter +30%#858B81
Lighter +20%#6C7168
Lighter +10%#52574F
Darker −10%#20211F
Darker −20%#060706
Darker −30%#000000
Darker −40%#000000
More saturated +25%#364A29
Less saturated −25%#3A3A3A

Channel breakdown

R57
G60
B55
Red57 (22.4%)
Green60 (23.5%)
Blue55 (21.6%)
Hue96°
Saturation (HSL)4.35%
Lightness22.55%
Dominant channelGreen
Hex per channelR 39 · G 3C · B 37

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Every value on this page was computed from “393c37” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.