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Recognised as Colour

#57586E

  • #57586E
  • Blue
  • Dark
  • Nearest: Dim grey

#57586E is a blue with RGB values 87, 88, 110 and HSL 237°, 12%, 39%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#57586E#57586E
HEX#57586E
RGBrgb(87, 88, 110)
RGB (0–1)0.3412, 0.3451, 0.4314
RGB percentages34.1%, 34.5%, 43.1%
HSLhsl(237.4, 11.7%, 38.6%)
HSV / HSBhsv(237.4, 20.9%, 43.1%)
CMYK20.9%, 20%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,724,270
CSS custom property--colour: #57586E;

Brightness & contrast

Relative luminance0.10131WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.94:1
Contrast with white6.94:1WCAG normal text: AA
Contrast with black3.03:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#A8A791

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#525A6Fno red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#52596Dno green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#525C5Fno blue cones; rare, and affects men and women equally; ΔE 12.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.94:1WCAG large text: AAA
Contrast with black, large text3.03:1WCAG large text: AA

Named colours

Dim grey · ΔE 14.9Slate grey · ΔE 16.4Light slate grey · ΔE 19.2Dark slate grey · ΔE 20Gray · ΔE 20.6Steel blue · ΔE 25.8
Nearest named CSS colourDim grey (#696969)ΔE 14.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6E6D57
Analogous#57646E, #62576E
Triadic#6E5758, #586E57
Split complementary#6E6257, #646E57
Tetradic#6E5764, #6E6D57, #576E62

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2C3CF
Lighter +30%#A6A6B8
Lighter +20%#898AA2
Lighter +10%#6E6F8A
Darker −10%#404152
Darker −20%#2A2A35
Darker −30%#131419
Darker −40%#000000
More saturated +25%#3E4287
Less saturated −25%#636363

Channel breakdown

R87
G88
B110
Red87 (34.1%)
Green88 (34.5%)
Blue110 (43.1%)
Hue237.39°
Saturation (HSL)11.68%
Lightness38.63%
Dominant channelBlue
Hex per channelR 57 · G 58 · B 6E

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Every value on this page was computed from “57586e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.