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Recognised as Colour

#585F74

  • #585F74
  • Blue
  • Dark
  • Nearest: Slate grey

#585F74 is a blue with RGB values 88, 95, 116 and HSL 225°, 14%, 40%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#585F74#585F74
HEX#585F74
RGBrgb(88, 95, 116)
RGB (0–1)0.3451, 0.3725, 0.4549
RGB percentages34.5%, 37.3%, 45.5%
HSLhsl(225, 13.7%, 40%)
HSV / HSBhsv(225, 24.1%, 45.5%)
CMYK24.1%, 18.1%, 0%, 54.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,791,604
CSS custom property--colour: #585F74;

Brightness & contrast

Relative luminance0.1152WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.36:1
Contrast with white6.36:1WCAG normal text: AA
Contrast with black3.3:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#A7A08B

Colour vision & accessibility

Protanopia#596175no red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#575E73no green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#516366no blue cones; rare, and affects men and women equally; ΔE 12.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.36:1WCAG large text: AAA
Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Nearest named CSS colourSlate grey (#708090)ΔE 13.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#746D58
Analogous#586D74, #5F5874
Triadic#74585F, #5F7458
Split complementary#745F58, #6D7458
Tetradic#74586D, #746D58, #58745F

Tints, shades & saturation

Lighter +40%#C5C9D3
Lighter +30%#A8ADBD
Lighter +20%#8B92A7
Lighter +10%#6E7791
Darker −10%#424757
Darker −20%#2C303A
Darker −30%#16181D
Darker −40%#000000
More saturated +25%#3F528E
Less saturated −25%#666666

Channel breakdown

R88
G95
B116
Red88 (34.5%)
Green95 (37.3%)
Blue116 (45.5%)
Hue225°
Saturation (HSL)13.73%
Lightness40%
Dominant channelBlue
Hex per channelR 58 · G 5F · B 74

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Every value on this page was computed from “585f74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.