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Colour

#57585B

  • #57585B
  • Grey
  • Dark
  • Nearest: Dim grey

#57585B is a grey with RGB values 87, 88, 91 and HSL 225°, 2%, 35%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#57585B#57585B
HEX#57585B
RGBrgb(87, 88, 91)
RGB (0–1)0.3412, 0.3451, 0.3569
RGB percentages34.1%, 34.5%, 35.7%
HSLhsl(225, 2.2%, 34.9%)
HSV / HSBhsv(225, 4.4%, 35.7%)
CMYK4.4%, 3.3%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,724,251
CSS custom property--colour: #57585B;

Brightness & contrast

Relative luminance0.09761WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.11:1
Contrast with white7.11:1WCAG normal text: AAA
Contrast with black2.95:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#A8A7A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#57585Bno red cones; affects about 1% of men; ΔE 0 from the original
Deuteranopia#57585Bno green cones; the most common form, about 1% of men; ΔE 0 from the original
Tritanopia#565959no blue cones; rare, and affects men and women equally; ΔE 2.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.11:1WCAG large text: AAA
Contrast with black, large text2.95:1WCAG large text: Fail

Named colours

Dim grey · ΔE 7.3Dark slate grey · ΔE 13.6Gray · ΔE 16.3Slate grey · ΔE 17.9Light slate grey · ΔE 20.8Cadetblue · ΔE 31.5
Nearest named CSS colourDim grey (#696969)ΔE 7.25, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B5A57
Analogous#575A5B, #58575B
Triadic#5B5758, #585B57
Split complementary#5B5857, #5A5B57
Tetradic#5B575A, #5B5A57, #575B58

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BEBEC0
Lighter +30%#A3A4A8
Lighter +20%#898B8F
Lighter +10%#707175
Darker −10%#3E3F41
Darker −20%#252627
Darker −30%#0C0C0D
Darker −40%#000000
More saturated +25%#414D71
Less saturated −25%#595959

Channel breakdown

R87
G88
B91
Red87 (34.1%)
Green88 (34.5%)
Blue91 (35.7%)
Hue225°
Saturation (HSL)2.25%
Lightness34.9%
Dominant channelBlue
Hex per channelR 57 · G 58 · B 5B

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Every value on this page was computed from “57585b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.