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Colour

#3B4039

  • #3B4039
  • Grey
  • Dark
  • Nearest: Dark slate grey

#3B4039 is a grey with RGB values 59, 64, 57 and HSL 103°, 6%, 24%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3B4039#3B4039
HEX#3B4039
RGBrgb(59, 64, 57)
RGB (0–1)0.2314, 0.251, 0.2235
RGB percentages23.1%, 25.1%, 22.4%
HSLhsl(102.9, 5.8%, 23.7%)
HSV / HSBhsv(102.9, 10.9%, 25.1%)
CMYK7.8%, 0%, 10.9%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,883,065
CSS custom property--colour: #3B4039;

Brightness & contrast

Relative luminance0.04892WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.61:1
Contrast with white10.61:1WCAG normal text: AAA
Contrast with black1.98:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#C4BFC6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#413F39no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#403E39no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#3B3F3Eno blue cones; rare, and affects men and women equally; ΔE 4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.61:1WCAG large text: AAA
Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.9Dim grey · ΔE 18.7Black · ΔE 26.9Gray · ΔE 27.6Slate grey · ΔE 30Light slate grey · ΔE 33
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.89, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3E3940
Analogous#3E4039, #39403A
Triadic#393B40, #40393B
Split complementary#3B3940, #40393E
Tetradic#393E40, #3E3940, #403A39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0A89D
Lighter +30%#869082
Lighter +20%#6D7669
Lighter +10%#545B51
Darker −10%#222521
Darker −20%#090A09
Darker −30%#000000
Darker −40%#000000
More saturated +25%#354F2A
Less saturated −25%#3C3C3C

Channel breakdown

R59
G64
B57
Red59 (23.1%)
Green64 (25.1%)
Blue57 (22.4%)
Hue102.86°
Saturation (HSL)5.79%
Lightness23.73%
Dominant channelGreen
Hex per channelR 3B · G 40 · B 39

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Every value on this page was computed from “3b4039” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.