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Recognised as Colour

#524F71

  • #524F71
  • Blue
  • Dark
  • Nearest: Slate grey

#524F71 is a blue with RGB values 82, 79, 113 and HSL 245°, 18%, 38%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Slate grey.

Colour values

#524F71#524F71
HEX#524F71
RGBrgb(82, 79, 113)
RGB (0–1)0.3216, 0.3098, 0.4431
RGB percentages32.2%, 31%, 44.3%
HSLhsl(245.3, 17.7%, 37.6%)
HSV / HSBhsv(245.3, 30.1%, 44.3%)
CMYK27.4%, 30.1%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,394,289
CSS custom property--colour: #524F71;

Brightness & contrast

Relative luminance0.08578WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.73:1
Contrast with white7.73:1WCAG normal text: AAA
Contrast with black2.72:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#ADB08E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#465372no red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#465270no green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#4B555Bno blue cones; rare, and affects men and women equally; ΔE 18.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.73:1WCAG large text: AAA
Contrast with black, large text2.72:1WCAG large text: Fail

Named colours

Slate grey · ΔE 22.8Dim grey · ΔE 23.2Light slate grey · ΔE 25.1Steel blue · ΔE 25.6Dark slate grey · ΔE 26.5Gray · ΔE 28.2
Nearest named CSS colourSlate grey (#708090)ΔE 22.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6E714F
Analogous#4F5D71, #634F71
Triadic#71524F, #4F7152
Split complementary#71634F, #5D714F
Tetradic#714F5D, #6E714F, #4F7163

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BEBCD0
Lighter +30%#A09EBB
Lighter +20%#8380A6
Lighter +10%#68648F
Darker −10%#3C3A53
Darker −20%#262535
Darker −30%#111017
Darker −40%#000000
More saturated +25%#3E3789
Less saturated −25%#606060

Channel breakdown

R82
G79
B113
Red82 (32.2%)
Green79 (31%)
Blue113 (44.3%)
Hue245.29°
Saturation (HSL)17.71%
Lightness37.65%
Dominant channelBlue
Hex per channelR 52 · G 4F · B 71

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Every value on this page was computed from “524f71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.