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Colour

#57434D

  • #57434D
  • Red
  • Dark
  • Nearest: Dim grey

#57434D is a red with RGB values 87, 67, 77 and HSL 330°, 13%, 30%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#57434D#57434D
HEX#57434D
RGBrgb(87, 67, 77)
RGB (0–1)0.3412, 0.2627, 0.302
RGB percentages34.1%, 26.3%, 30.2%
HSLhsl(330, 13%, 30.2%)
HSV / HSBhsv(330, 23%, 34.1%)
CMYK0%, 23%, 11.5%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,718,861
CSS custom property--colour: #57434D;

Brightness & contrast

Relative luminance0.06576WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.07:1
Contrast with white9.07:1WCAG normal text: AAA
Contrast with black2.32:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#A8BCB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#44474Dno red cones; affects about 1% of men; ΔE 10.4 from the original
Deuteranopia#494A4Cno green cones; the most common form, about 1% of men; ΔE 10.6 from the original
Tritanopia#5A4346no blue cones; rare, and affects men and women equally; ΔE 4.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.07:1WCAG large text: AAA
Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Dim grey · ΔE 17.4Dark slate grey · ΔE 22.2Gray · ΔE 25.2Slate grey · ΔE 26.6Light slate grey · ΔE 29.4Black · ΔE 32.7
Nearest named CSS colourDim grey (#696969)ΔE 17.38, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#43574D
Analogous#574357, #574343
Triadic#4D5743, #434D57
Split complementary#435743, #435757
Tetradic#575743, #43574D, #434357

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDA9B3
Lighter +30%#A78C9A
Lighter +20%#907080
Lighter +10%#745967
Darker −10%#3A2D34
Darker −20%#1D171A
Darker −30%#010001
Darker −40%#000000
More saturated +25%#6A304D
Less saturated −25%#4D4D4D

Channel breakdown

R87
G67
B77
Red87 (34.1%)
Green67 (26.3%)
Blue77 (30.2%)
Hue330°
Saturation (HSL)12.99%
Lightness30.2%
Dominant channelRed
Hex per channelR 57 · G 43 · B 4D

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Every value on this page was computed from “57434d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.