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Recognised as Colour

#474F59

  • #474F59
  • Blue
  • Dark
  • Nearest: Dark slate grey

#474F59 is a blue with RGB values 71, 79, 89 and HSL 213°, 11%, 31%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#474F59#474F59
HEX#474F59
RGBrgb(71, 79, 89)
RGB (0–1)0.2784, 0.3098, 0.349
RGB percentages27.8%, 31%, 34.9%
HSLhsl(213.3, 11.2%, 31.4%)
HSV / HSBhsv(213.3, 20.2%, 34.9%)
CMYK20.2%, 11.2%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,673,369
CSS custom property--colour: #474F59;

Brightness & contrast

Relative luminance0.07653WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.3:1
Contrast with white8.3:1WCAG normal text: AAA
Contrast with black2.53:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#B8B0A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C4F5Ano red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#4A4D59no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#425152no blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.3:1WCAG large text: AAA
Contrast with black, large text2.53:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.6Dim grey · ΔE 13.2Slate grey · ΔE 20Gray · ΔE 21.5Light slate grey · ΔE 23.1Teal · ΔE 31.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#595147
Analogous#475859, #484759
Triadic#59474F, #4F5947
Split complementary#594847, #585947
Tetradic#594758, #595147, #475948

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEB5BE
Lighter +30%#919BA8
Lighter +20%#758191
Lighter +10%#5E6875
Darker −10%#30363D
Darker −20%#1A1D20
Darker −30%#030304
Darker −40%#000000
More saturated +25%#334D6D
Less saturated −25%#505050

Channel breakdown

R71
G79
B89
Red71 (27.8%)
Green79 (31%)
Blue89 (34.9%)
Hue213.33°
Saturation (HSL)11.25%
Lightness31.37%
Dominant channelBlue
Hex per channelR 47 · G 4F · B 59

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Every value on this page was computed from “474f59” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.