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Colour

#565D66

  • #565D66
  • Blue
  • Dark
  • Nearest: Dim grey

#565D66 is a blue with RGB values 86, 93, 102 and HSL 214°, 9%, 37%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#565D66#565D66
HEX#565D66
RGBrgb(86, 93, 102)
RGB (0–1)0.3373, 0.3647, 0.4
RGB percentages33.7%, 36.5%, 40%
HSLhsl(213.8, 8.5%, 36.9%)
HSV / HSBhsv(213.8, 15.7%, 40%)
CMYK15.7%, 8.8%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,660,006
CSS custom property--colour: #565D66;

Brightness & contrast

Relative luminance0.10766WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.66:1
Contrast with white6.66:1WCAG normal text: AA
Contrast with black3.15:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#A9A299

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A5D66no red cones; affects about 1% of men; ΔE 1.6 from the original
Deuteranopia#585C66no green cones; the most common form, about 1% of men; ΔE 1.4 from the original
Tritanopia#525F60no blue cones; rare, and affects men and women equally; ΔE 5.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.66:1WCAG large text: AAA
Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Dim grey · ΔE 8Dark slate grey · ΔE 13.8Slate grey · ΔE 14.5Gray · ΔE 15.6Light slate grey · ΔE 17.5Cadetblue · ΔE 29.1
Nearest named CSS colourDim grey (#696969)ΔE 8.04, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#665F56
Analogous#566566, #575666
Triadic#66565D, #5D6656
Split complementary#665756, #656656
Tetradic#665665, #665F56, #566657

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFC3C9
Lighter +30%#A3AAB2
Lighter +20%#88909A
Lighter +10%#6D7682
Darker −10%#3F444A
Darker −20%#272B2F
Darker −30%#101113
Darker −40%#000000
More saturated +25%#3F5A7E
Less saturated −25%#5E5E5E

Channel breakdown

R86
G93
B102
Red86 (33.7%)
Green93 (36.5%)
Blue102 (40%)
Hue213.75°
Saturation (HSL)8.51%
Lightness36.86%
Dominant channelBlue
Hex per channelR 56 · G 5D · B 66

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Every value on this page was computed from “565d66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.