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Colour

#575B64

  • #575B64
  • Grey
  • Dark
  • Nearest: Dim grey

#575B64 is a grey with RGB values 87, 91, 100 and HSL 222°, 7%, 37%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#575B64#575B64
HEX#575B64
RGBrgb(87, 91, 100)
RGB (0–1)0.3412, 0.3569, 0.3922
RGB percentages34.1%, 35.7%, 39.2%
HSLhsl(221.5, 7%, 36.7%)
HSV / HSBhsv(221.5, 13%, 39.2%)
CMYK13%, 9%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,725,028
CSS custom property--colour: #575B64;

Brightness & contrast

Relative luminance0.10429WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.81:1
Contrast with white6.81:1WCAG normal text: AA
Contrast with black3.09:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#A8A49B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#585B64no red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#575A64no green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#545D5Eno blue cones; rare, and affects men and women equally; ΔE 5.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.81:1WCAG large text: AAA
Contrast with black, large text3.09:1WCAG large text: AA

Named colours

Dim grey · ΔE 8.1Dark slate grey · ΔE 14.4Slate grey · ΔE 15.3Gray · ΔE 16Light slate grey · ΔE 18.3Steel blue · ΔE 30.3
Nearest named CSS colourDim grey (#696969)ΔE 8.15, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#646057
Analogous#576264, #5A5764
Triadic#64575B, #5B6457
Split complementary#645A57, #626457
Tetradic#645762, #646057, #57645A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFC2C8
Lighter +30%#A4A8B0
Lighter +20%#898E98
Lighter +10%#6F747F
Darker −10%#3F4249
Darker −20%#28292D
Darker −30%#101112
Darker −40%#000000
More saturated +25%#40527B
Less saturated −25%#5E5E5E

Channel breakdown

R87
G91
B100
Red87 (34.1%)
Green91 (35.7%)
Blue100 (39.2%)
Hue221.54°
Saturation (HSL)6.95%
Lightness36.67%
Dominant channelBlue
Hex per channelR 57 · G 5B · B 64

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Every value on this page was computed from “575b64” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.