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Recognised as Colour

#4E5771

  • #4E5771
  • Blue
  • Dark
  • Nearest: Slate grey

#4E5771 is a blue with RGB values 78, 87, 113 and HSL 225°, 18%, 37%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Slate grey.

Colour values

#4E5771#4E5771
HEX#4E5771
RGBrgb(78, 87, 113)
RGB (0–1)0.3059, 0.3412, 0.4431
RGB percentages30.6%, 34.1%, 44.3%
HSLhsl(224.6, 18.3%, 37.5%)
HSV / HSBhsv(224.6, 31%, 44.3%)
CMYK31%, 23%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,134,193
CSS custom property--colour: #4E5771;

Brightness & contrast

Relative luminance0.09628WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.18:1
Contrast with white7.18:1WCAG normal text: AAA
Contrast with black2.93:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#B1A88E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F5972no red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#4C5670no green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#455C60no blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.18:1WCAG large text: AAA
Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Slate grey · ΔE 17.4Dim grey · ΔE 17.8Light slate grey · ΔE 20.1Dark slate grey · ΔE 20.1Gray · ΔE 23.1Steel blue · ΔE 23.4
Nearest named CSS colourSlate grey (#708090)ΔE 17.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#71684E
Analogous#4E6971, #574E71
Triadic#714E57, #57714E
Split complementary#71564E, #69714E
Tetradic#714E69, #71684E, #4E7156

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBC0D0
Lighter +30%#9DA5BB
Lighter +20%#7F89A6
Lighter +10%#636E8F
Darker −10%#394053
Darker −20%#242935
Darker −30%#101116
Darker −40%#000000
More saturated +25%#364B89
Less saturated −25%#606060

Channel breakdown

R78
G87
B113
Red78 (30.6%)
Green87 (34.1%)
Blue113 (44.3%)
Hue224.57°
Saturation (HSL)18.32%
Lightness37.45%
Dominant channelBlue
Hex per channelR 4E · G 57 · B 71

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Every value on this page was computed from “4e5771” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.