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Recognised as Colour

#576D85

  • #576D85
  • Blue
  • Dark
  • Nearest: Slate grey

#576D85 is a blue with RGB values 87, 109, 133 and HSL 211°, 21%, 43%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#576D85#576D85
HEX#576D85
RGBrgb(87, 109, 133)
RGB (0–1)0.3412, 0.4275, 0.5216
RGB percentages34.1%, 42.7%, 52.2%
HSLhsl(211.3, 20.9%, 43.1%)
HSV / HSBhsv(211.3, 34.6%, 52.2%)
CMYK34.6%, 18%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,729,669
CSS custom property--colour: #576D85;

Brightness & contrast

Relative luminance0.14657WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.34:1
Contrast with white5.34:1WCAG normal text: AA
Contrast with black3.93:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#A8927A

Colour vision & accessibility

Protanopia#646E86no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#5E6985no green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#497275no blue cones; rare, and affects men and women equally; ΔE 15 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.34:1WCAG large text: AAA
Contrast with black, large text3.93:1WCAG large text: AA

Named colours

Nearest named CSS colourSlate grey (#708090)ΔE 9.32, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#856F57
Analogous#578485, #585785
Triadic#85576D, #6D8557
Split complementary#855857, #848557
Tetradic#855784, #856F57, #578558

Tints, shades & saturation

Lighter +40%#CBD4DD
Lighter +30%#ACBAC9
Lighter +20%#8DA0B5
Lighter +10%#6F86A0
Darker −10%#435466
Darker −20%#2F3A47
Darker −30%#1A2129
Darker −40%#06080A
More saturated +25%#3C6CA1
Less saturated −25%#6E6E6E

Channel breakdown

R87
G109
B133
Red87 (34.1%)
Green109 (42.7%)
Blue133 (52.2%)
Hue211.3°
Saturation (HSL)20.91%
Lightness43.14%
Dominant channelBlue
Hex per channelR 57 · G 6D · B 85

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Every value on this page was computed from “576d85” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.