Recognised as Colour

#566D86

#566D86
Blue
Dark
Nearest: Slate grey

#566D86 is a blue with RGB values 86, 109, 134 and HSL 211°, 22%, 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

#566D86#566D86

HEX#566D86

RGBrgb(86, 109, 134)

RGB (0–1)0.3373, 0.4275, 0.5255

RGB percentages33.7%, 42.7%, 52.5%

HSLhsl(211.3, 21.8%, 43.1%)

HSV / HSBhsv(211.3, 35.8%, 52.5%)

CMYK35.8%, 18.7%, 0%, 47.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,664,134

CSS custom property--colour: #566D86;

Brightness & contrast

Relative luminance0.14637WCAG 2.x, 0 is black and 1 is white

Perceived brightness106 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.35:1

Contrast with white5.35:1WCAG normal text: AA

Contrast with black3.93:1WCAG normal text: Fail

Greyscale equivalent#6A6A6A

Inverted#A99279

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#646E87no red cones; affects about 1% of men; ΔE 4.6 from the original

Deuteranopia#5E6985no green cones; the most common form, about 1% of men; ΔE 4.7 from the original

Tritanopia#477375no blue cones; rare, and affects men and women equally; ΔE 16.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.35:1WCAG large text: AAA

Contrast with black, large text3.93:1WCAG large text: AA

Named colours

Slate grey · ΔE 9.7 Light slate grey · ΔE 12.1 Dim grey · ΔE 16.6 Steel blue · ΔE 17.4 Gray · ΔE 18.6 Dark slate grey · ΔE 21.3

Nearest named CSS colourSlate grey (#708090)ΔE 9.73, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#866F56

Analogous#568586, #575686

Triadic#86566D, #6D8656

Split complementary#865756, #858656

Tetradic#865685, #866F56, #568657

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#CBD4DD

Lighter +30%#ACBAC9

Lighter +20%#8CA0B6

Lighter +10%#6D86A2

Darker −10%#425467

Darker −20%#2E3A48

Darker −30%#1A2129

Darker −40%#06080A

More saturated +25%#3B6CA2

Less saturated −25%#6E6E6E

Channel breakdown

R86

G109

B134

Red86 (33.7%)

Green109 (42.7%)

Blue134 (52.5%)

Hue211.25°

Saturation (HSL)21.82%

Lightness43.14%

Dominant channelBlue

Hex per channelR 56 · G 6D · B 86

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#566D86

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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