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Recognised as Colour

#3E4042

  • #3E4042
  • Grey
  • Dark
  • Nearest: Dark slate grey

#3E4042 is a grey with RGB values 62, 64, 66 and HSL 210°, 3%, 25%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3E4042#3E4042
HEX#3E4042
RGBrgb(62, 64, 66)
RGB (0–1)0.2431, 0.251, 0.2588
RGB percentages24.3%, 25.1%, 25.9%
HSLhsl(210, 3.1%, 25.1%)
HSV / HSBhsv(210, 6.1%, 25.9%)
CMYK6.1%, 3%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,079,682
CSS custom property--colour: #3E4042;

Brightness & contrast

Relative luminance0.05084WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.41:1
Contrast with white10.41:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#C1BFBD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F4042no red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#3F4042no green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#3D4041no 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 text10.41:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.3Dim grey · ΔE 17.5Gray · ΔE 26.7Black · ΔE 27Slate grey · ΔE 27.5Light slate grey · ΔE 30.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.33, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#42403E
Analogous#3E4242, #3E3E42
Triadic#423E40, #40423E
Split complementary#423E3E, #42423E
Tetradic#423E42, #42403E, #3E423E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3A6A9
Lighter +30%#898C90
Lighter +20%#6F7377
Lighter +10%#575A5C
Darker −10%#252728
Darker −20%#0D0D0D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2E4052
Less saturated −25%#404040

Channel breakdown

R62
G64
B66
Red62 (24.3%)
Green64 (25.1%)
Blue66 (25.9%)
Hue210°
Saturation (HSL)3.13%
Lightness25.1%
Dominant channelBlue
Hex per channelR 3E · G 40 · B 42

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Every value on this page was computed from “3e4042” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.