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Colour

#47505F

  • #47505F
  • Blue
  • Dark
  • Nearest: Dark slate grey

#47505F is a blue with RGB values 71, 80, 95 and HSL 218°, 14%, 33%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#47505F#47505F
HEX#47505F
RGBrgb(71, 80, 95)
RGB (0–1)0.2784, 0.3137, 0.3725
RGB percentages27.8%, 31.4%, 37.3%
HSLhsl(217.5, 14.5%, 32.5%)
HSV / HSBhsv(217.5, 25.3%, 37.3%)
CMYK25.3%, 15.8%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,673,631
CSS custom property--colour: #47505F;

Brightness & contrast

Relative luminance0.07903WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.14:1
Contrast with white8.14:1WCAG normal text: AAA
Contrast with black2.58:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#B8AFA0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B5160no red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#494E5Fno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#415355no blue cones; rare, and affects men and women equally; ΔE 9.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.14:1WCAG large text: AAA
Contrast with black, large text2.58:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.7Dim grey · ΔE 14.6Slate grey · ΔE 19.2Gray · ΔE 22.2Light slate grey · ΔE 22.3Steel blue · ΔE 29.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5F5647
Analogous#475C5F, #4A475F
Triadic#5F4750, #505F47
Split complementary#5F4A47, #5C5F47
Tetradic#5F475C, #5F5647, #475F4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFB6C3
Lighter +30%#929CAD
Lighter +20%#758297
Lighter +10%#5D697C
Darker −10%#313742
Darker −20%#1B1F25
Darker −30%#060607
Darker −40%#000000
More saturated +25%#324B74
Less saturated −25%#535353

Channel breakdown

R71
G80
B95
Red71 (27.8%)
Green80 (31.4%)
Blue95 (37.3%)
Hue217.5°
Saturation (HSL)14.46%
Lightness32.55%
Dominant channelBlue
Hex per channelR 47 · G 50 · B 5F

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Every value on this page was computed from “47505f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.