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Colour

#383B3A

  • #383B3A
  • Grey
  • Dark
  • Nearest: Dark slate grey

#383B3A is a grey with RGB values 56, 59, 58 and HSL 160°, 3%, 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

#383B3A#383B3A
HEX#383B3A
RGBrgb(56, 59, 58)
RGB (0–1)0.2196, 0.2314, 0.2275
RGB percentages22%, 23.1%, 22.7%
HSLhsl(160, 2.6%, 22.5%)
HSV / HSBhsv(160, 5.1%, 23.1%)
CMYK5.1%, 0%, 1.7%, 76.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,685,178
CSS custom property--colour: #383B3A;

Brightness & contrast

Relative luminance0.04274WCAG 2.x, 0 is black and 1 is white
Perceived brightness58 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.32:1
Contrast with white11.32:1WCAG normal text: AAA
Contrast with black1.85:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#C7C4C5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B3B3Ano red cones; affects about 1% of men; ΔE 1.4 from the original
Deuteranopia#3A3A3Ano green cones; the most common form, about 1% of men; ΔE 1.5 from the original
Tritanopia#373B3Bno blue cones; rare, and affects men and women equally; ΔE 0.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.32:1WCAG large text: AAA
Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.8Dim grey · ΔE 19.9Black · ΔE 24.6Gray · ΔE 29.1Slate grey · ΔE 30.3Light slate grey · ΔE 33.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.82, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B3839
Analogous#383B39, #383B3B
Triadic#3A383B, #3B3A38
Split complementary#3B383B, #3B3938
Tetradic#39383B, #3B3839, #3B3B38

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9DA2A0
Lighter +30%#838987
Lighter +20%#6A6F6D
Lighter +10%#515554
Darker −10%#1F2120
Darker −20%#060707
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2A493F
Less saturated −25%#3A3A3A

Channel breakdown

R56
G59
B58
Red56 (22%)
Green59 (23.1%)
Blue58 (22.7%)
Hue160°
Saturation (HSL)2.61%
Lightness22.55%
Dominant channelGreen
Hex per channelR 38 · G 3B · B 3A

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Every value on this page was computed from “383b3a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.