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Colour

#47454D

  • #47454D
  • Grey
  • Dark
  • Nearest: Dark slate grey

#47454D is a grey with RGB values 71, 69, 77 and HSL 255°, 5%, 29%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#47454D#47454D
HEX#47454D
RGBrgb(71, 69, 77)
RGB (0–1)0.2784, 0.2706, 0.302
RGB percentages27.8%, 27.1%, 30.2%
HSLhsl(255, 5.5%, 28.6%)
HSV / HSBhsv(255, 10.4%, 30.2%)
CMYK7.8%, 10.4%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,670,797
CSS custom property--colour: #47454D;

Brightness & contrast

Relative luminance0.06132WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.43:1
Contrast with white9.43:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#B8BAB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#44464Dno red cones; affects about 1% of men; ΔE 1.8 from the original
Deuteranopia#44464Dno green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#464648no 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 text9.43:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.5Dim grey · ΔE 15.6Slate grey · ΔE 24.4Gray · ΔE 24.4Light slate grey · ΔE 27.4Black · ΔE 30.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.47, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B4D45
Analogous#45474D, #4B454D
Triadic#4D4745, #454D47
Split complementary#4D4B45, #474D45
Tetradic#4D4547, #4B4D45, #454D4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADABB3
Lighter +30%#93909B
Lighter +20%#797583
Lighter +10%#605D68
Darker −10%#2E2D32
Darker −20%#151517
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3E335F
Less saturated −25%#494949

Channel breakdown

R71
G69
B77
Red71 (27.8%)
Green69 (27.1%)
Blue77 (30.2%)
Hue255°
Saturation (HSL)5.48%
Lightness28.63%
Dominant channelBlue
Hex per channelR 47 · G 45 · B 4D

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Every value on this page was computed from “47454d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.