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Recognised as Colour

#575D68

  • #575D68
  • Blue
  • Dark
  • Nearest: Dim grey

#575D68 is a blue with RGB values 87, 93, 104 and HSL 219°, 9%, 37%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#575D68#575D68
HEX#575D68
RGBrgb(87, 93, 104)
RGB (0–1)0.3412, 0.3647, 0.4078
RGB percentages34.1%, 36.5%, 40.8%
HSLhsl(218.8, 8.9%, 37.5%)
HSV / HSBhsv(218.8, 16.3%, 40.8%)
CMYK16.3%, 10.6%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,725,544
CSS custom property--colour: #575D68;

Brightness & contrast

Relative luminance0.10854WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.62:1
Contrast with white6.62:1WCAG normal text: AA
Contrast with black3.17:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#A8A297

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A5E69no red cones; affects about 1% of men; ΔE 1 from the original
Deuteranopia#585C68no green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#535F60no blue cones; rare, and affects men and women equally; ΔE 6.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.62:1WCAG large text: AAA
Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Dim grey · ΔE 8.7Slate grey · ΔE 14.1Dark slate grey · ΔE 14.8Gray · ΔE 15.9Light slate grey · ΔE 17.2Steel blue · ΔE 28.7
Nearest named CSS colourDim grey (#696969)ΔE 8.71, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#686257
Analogous#576568, #5A5768
Triadic#68575D, #5D6857
Split complementary#685A57, #656857
Tetradic#685766, #686257, #57685A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0C4CB
Lighter +30%#A5AAB3
Lighter +20%#89909C
Lighter +10%#6E7684
Darker −10%#40444C
Darker −20%#292B30
Darker −30%#111315
Darker −40%#000000
More saturated +25%#3F5680
Less saturated −25%#606060

Channel breakdown

R87
G93
B104
Red87 (34.1%)
Green93 (36.5%)
Blue104 (40.8%)
Hue218.82°
Saturation (HSL)8.9%
Lightness37.45%
Dominant channelBlue
Hex per channelR 57 · G 5D · B 68

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Every value on this page was computed from “575d68” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.