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Recognised as Colour

#576F86

  • #576F86
  • Blue
  • Dark
  • Nearest: Slate grey

#576F86 is a blue with RGB values 87, 111, 134 and HSL 209°, 21%, 43%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#576F86#576F86
HEX#576F86
RGBrgb(87, 111, 134)
RGB (0–1)0.3412, 0.4353, 0.5255
RGB percentages34.1%, 43.5%, 52.5%
HSLhsl(209.4, 21.3%, 43.3%)
HSV / HSBhsv(209.4, 35.1%, 52.5%)
CMYK35.1%, 17.2%, 0%, 47.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,730,182
CSS custom property--colour: #576F86;

Brightness & contrast

Relative luminance0.15116WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.22:1
Contrast with white5.22:1WCAG normal text: AA
Contrast with black4.02:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#A89079

Colour vision & accessibility

Protanopia#666F87no red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#606A86no green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#487476no 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 text5.22:1WCAG large text: AAA
Contrast with black, large text4.02:1WCAG large text: AA

Named colours

Nearest named CSS colourSlate grey (#708090)ΔE 8.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#866E57
Analogous#578685, #575886
Triadic#86576F, #6F8657
Split complementary#865758, #868557
Tetradic#855786, #866E57, #588657

Tints, shades & saturation

Lighter +40%#CBD5DE
Lighter +30%#ADBBC9
Lighter +20%#8EA2B5
Lighter +10%#6F89A1
Darker −10%#435567
Darker −20%#2F3C48
Darker −30%#1B2229
Darker −40%#07090A
More saturated +25%#3B70A2
Less saturated −25%#6F6F6F

Channel breakdown

R87
G111
B134
Red87 (34.1%)
Green111 (43.5%)
Blue134 (52.5%)
Hue209.36°
Saturation (HSL)21.27%
Lightness43.33%
Dominant channelBlue
Hex per channelR 57 · G 6F · B 86

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Every value on this page was computed from “576f86” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.