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Recognised as Colour

#563B40

  • #563B40
  • Red
  • Dark
  • Nearest: Dim grey

#563B40 is a red with RGB values 86, 59, 64 and HSL 349°, 19%, 28%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#563B40#563B40
HEX#563B40
RGBrgb(86, 59, 64)
RGB (0–1)0.3373, 0.2314, 0.251
RGB percentages33.7%, 23.1%, 25.1%
HSLhsl(348.9, 18.6%, 28.4%)
HSV / HSBhsv(348.9, 31.4%, 33.7%)
CMYK0%, 31.4%, 25.6%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,651,264
CSS custom property--colour: #563B40;

Brightness & contrast

Relative luminance0.05477WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.02:1
Contrast with white10.02:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#A9C4BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F3F40no red cones; affects about 1% of men; ΔE 12.8 from the original
Deuteranopia#45443Fno green cones; the most common form, about 1% of men; ΔE 13.5 from the original
Tritanopia#5B393Dno blue cones; rare, and affects men and women equally; ΔE 3.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.02:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail

Named colours

Dim grey · ΔE 20.8Dark slate grey · ΔE 25.3Gray · ΔE 28.6Black · ΔE 30.9Slate grey · ΔE 31.4Light slate grey · ΔE 34.1
Nearest named CSS colourDim grey (#696969)ΔE 20.82, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B5651
Analogous#563B4E, #56443B
Triadic#40563B, #3B4056
Split complementary#3B5644, #3B4D56
Tetradic#4D563B, #3B5651, #443B56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDA0A5
Lighter +30%#A98189
Lighter +20%#92656D
Lighter +10%#745057
Darker −10%#382629
Darker −20%#1A1113
Darker −30%#000000
Darker −40%#000000
More saturated +25%#682935
Less saturated −25%#494949

Channel breakdown

R86
G59
B64
Red86 (33.7%)
Green59 (23.1%)
Blue64 (25.1%)
Hue348.89°
Saturation (HSL)18.62%
Lightness28.43%
Dominant channelRed
Hex per channelR 56 · G 3B · B 40

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Every value on this page was computed from “563b40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.