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Colour

#573C45

  • #573C45
  • Red
  • Dark
  • Nearest: Dim grey

#573C45 is a red with RGB values 87, 60, 69 and HSL 340°, 18%, 29%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#573C45#573C45
HEX#573C45
RGBrgb(87, 60, 69)
RGB (0–1)0.3412, 0.2353, 0.2706
RGB percentages34.1%, 23.5%, 27.1%
HSLhsl(340, 18.4%, 28.8%)
HSV / HSBhsv(340, 31%, 34.1%)
CMYK0%, 31%, 20.7%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,717,061
CSS custom property--colour: #573C45;

Brightness & contrast

Relative luminance0.05688WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.82:1
Contrast with white9.82:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#A8C3BA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F4145no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#454544no green cones; the most common form, about 1% of men; ΔE 13.7 from the original
Tritanopia#5B3B3Fno blue cones; rare, and affects men and women equally; ΔE 4.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.82:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Dim grey · ΔE 20.8Dark slate grey · ΔE 25.5Gray · ΔE 28.4Slate grey · ΔE 30.4Black · ΔE 31.6Light slate grey · ΔE 33.1
Nearest named CSS colourDim grey (#696969)ΔE 20.76, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C574E
Analogous#573C52, #57413C
Triadic#45573C, #3C4557
Split complementary#3C5740, #3C5357
Tetradic#52573C, #3C574E, #413C57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BEA1AB
Lighter +30%#A98390
Lighter +20%#936675
Lighter +10%#75515D
Darker −10%#39272D
Darker −20%#1B1215
Darker −30%#000000
Darker −40%#000000
More saturated +25%#692A3F
Less saturated −25%#4A4A4A

Channel breakdown

R87
G60
B69
Red87 (34.1%)
Green60 (23.5%)
Blue69 (27.1%)
Hue340°
Saturation (HSL)18.37%
Lightness28.82%
Dominant channelRed
Hex per channelR 57 · G 3C · B 45

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Every value on this page was computed from “573c45” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.