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Recognised as Colour

#576C84

  • #576C84
  • Blue
  • Dark
  • Nearest: Slate grey

#576C84 is a blue with RGB values 87, 108, 132 and HSL 212°, 21%, 43%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#576C84#576C84
HEX#576C84
RGBrgb(87, 108, 132)
RGB (0–1)0.3412, 0.4235, 0.5176
RGB percentages34.1%, 42.4%, 51.8%
HSLhsl(212, 20.5%, 42.9%)
HSV / HSBhsv(212, 34.1%, 51.8%)
CMYK34.1%, 18.2%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,729,412
CSS custom property--colour: #576C84;

Brightness & contrast

Relative luminance0.14417WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.41:1
Contrast with white5.41:1WCAG normal text: AA
Contrast with black3.88:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#A8937B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#636D85no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#5E6884no green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#497174no blue cones; rare, and affects men and women equally; ΔE 15.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.41:1WCAG large text: AAA
Contrast with black, large text3.88:1WCAG large text: AA

Named colours

Slate grey · ΔE 9.6Light slate grey · ΔE 12.1Dim grey · ΔE 15.9Gray · ΔE 18.1Steel blue · ΔE 18.3Dark slate grey · ΔE 20.8
Nearest named CSS colourSlate grey (#708090)ΔE 9.57, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#846F57
Analogous#578384, #595784
Triadic#84576C, #6C8457
Split complementary#845957, #838457
Tetradic#845783, #846F57, #578459

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBD3DC
Lighter +30%#ACB9C8
Lighter +20%#8D9FB4
Lighter +10%#6E85A0
Darker −10%#435365
Darker −20%#2E3A47
Darker −30%#1A2128
Darker −40%#060709
More saturated +25%#3C6A9F
Less saturated −25%#6E6E6E

Channel breakdown

R87
G108
B132
Red87 (34.1%)
Green108 (42.4%)
Blue132 (51.8%)
Hue212°
Saturation (HSL)20.55%
Lightness42.94%
Dominant channelBlue
Hex per channelR 57 · G 6C · B 84

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Every value on this page was computed from “576c84” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.