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Colour

#474D63

  • #474D63
  • Blue
  • Dark
  • Nearest: Dark slate grey

#474D63 is a blue with RGB values 71, 77, 99 and HSL 227°, 16%, 33%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#474D63#474D63
HEX#474D63
RGBrgb(71, 77, 99)
RGB (0–1)0.2784, 0.302, 0.3882
RGB percentages27.8%, 30.2%, 38.8%
HSLhsl(227.1, 16.5%, 33.3%)
HSV / HSBhsv(227.1, 28.3%, 38.8%)
CMYK28.3%, 22.2%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,672,867
CSS custom property--colour: #474D63;

Brightness & contrast

Relative luminance0.07548WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.37:1
Contrast with white8.37:1WCAG normal text: AAA
Contrast with black2.51:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#B8B29C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#474F64no red cones; affects about 1% of men; ΔE 1.2 from the original
Deuteranopia#444D62no green cones; the most common form, about 1% of men; ΔE 1.4 from the original
Tritanopia#405154no blue cones; rare, and affects men and women equally; ΔE 13.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.37:1WCAG large text: AAA
Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18Dim grey · ΔE 18Slate grey · ΔE 20.7Light slate grey · ΔE 23.7Gray · ΔE 24.9Steel blue · ΔE 27.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#635D47
Analogous#475B63, #4F4763
Triadic#63474D, #4D6347
Split complementary#634F47, #5B6347
Tetradic#63475B, #635D47, #47634F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0B5C6
Lighter +30%#9299B1
Lighter +20%#747D9C
Lighter +10%#5C6481
Darker −10%#323645
Darker −20%#1C1F28
Darker −30%#07080A
Darker −40%#000000
More saturated +25%#324178
Less saturated −25%#555555

Channel breakdown

R71
G77
B99
Red71 (27.8%)
Green77 (30.2%)
Blue99 (38.8%)
Hue227.14°
Saturation (HSL)16.47%
Lightness33.33%
Dominant channelBlue
Hex per channelR 47 · G 4D · B 63

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Every value on this page was computed from “474d63” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.