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Recognised as Colour

#573C33

  • #573C33
  • Orange
  • Dark
  • Nearest: Dim grey

#573C33 is a orange with RGB values 87, 60, 51 and HSL 15°, 26%, 27%. 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

#573C33#573C33
HEX#573C33
RGBrgb(87, 60, 51)
RGB (0–1)0.3412, 0.2353, 0.2
RGB percentages34.1%, 23.5%, 20%
HSLhsl(15, 26.1%, 27.1%)
HSV / HSBhsv(15, 41.4%, 34.1%)
CMYK0%, 31%, 41.4%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,717,043
CSS custom property--colour: #573C33;

Brightness & contrast

Relative luminance0.05497WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10:1
Contrast with white10:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#A8C3CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#423F32no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#494433no green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#5D383Ano blue cones; rare, and affects men and women equally; ΔE 7.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail

Named colours

Dim grey · ΔE 22Dark slate grey · ΔE 26.5Gray · ΔE 29.4Black · ΔE 31.7Slate grey · ΔE 34.8Sienna · ΔE 35.2
Nearest named CSS colourDim grey (#696969)ΔE 21.98, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#334E57
Analogous#57333C, #574E33
Triadic#33573C, #3C3357
Split complementary#33574E, #333C57
Tetradic#3C5733, #334E57, #4E3357

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1A095
Lighter +30%#AE8375
Lighter +20%#976859
Lighter +10%#775246
Darker −10%#372620
Darker −20%#17100D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#683322
Less saturated −25%#464544

Channel breakdown

R87
G60
B51
Red87 (34.1%)
Green60 (23.5%)
Blue51 (20%)
Hue15°
Saturation (HSL)26.09%
Lightness27.06%
Dominant channelRed
Hex per channelR 57 · G 3C · B 33

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Every value on this page was computed from “573c33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.