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Recognised as Colour

#393B3A

  • #393B3A
  • Grey
  • Dark
  • Nearest: Dark slate grey

#393B3A is a grey with RGB values 57, 59, 58 and HSL 150°, 2%, 23%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#393B3A#393B3A
HEX#393B3A
RGBrgb(57, 59, 58)
RGB (0–1)0.2235, 0.2314, 0.2275
RGB percentages22.4%, 23.1%, 22.7%
HSLhsl(150, 1.7%, 22.7%)
HSV / HSBhsv(150, 3.4%, 23.1%)
CMYK3.4%, 0%, 1.7%, 76.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,750,714
CSS custom property--colour: #393B3A;

Brightness & contrast

Relative luminance0.04303WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.29:1
Contrast with white11.29:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#C6C4C5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B3B3Ano red cones; affects about 1% of men; ΔE 0.9 from the original
Deuteranopia#3B3A3Ano green cones; the most common form, about 1% of men; ΔE 1.5 from the original
Tritanopia#393B3Bno blue cones; rare, and affects men and women equally; ΔE 0.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.29:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.2Dim grey · ΔE 19.8Black · ΔE 24.7Gray · ΔE 29Slate grey · ΔE 30.2Light slate grey · ΔE 33.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.16, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B393A
Analogous#393B39, #393B3B
Triadic#3A393B, #3B3A39
Split complementary#3B393B, #3B3939
Tetradic#39393B, #3B393A, #3B3B39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EA2A0
Lighter +30%#848987
Lighter +20%#6B6F6D
Lighter +10%#525554
Darker −10%#202121
Darker −20%#070707
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2B4A3A
Less saturated −25%#3A3A3A

Channel breakdown

R57
G59
B58
Red57 (22.4%)
Green59 (23.1%)
Blue58 (22.7%)
Hue150°
Saturation (HSL)1.72%
Lightness22.75%
Dominant channelGreen
Hex per channelR 39 · G 3B · B 3A

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Every value on this page was computed from “393b3a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.