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Recognised as Colour

#8584AA

  • #8584AA
  • Blue
  • Dark
  • Nearest: Light slate grey

#8584AA is a blue with RGB values 133, 132, 170 and HSL 242°, 18%, 59%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#8584AA#8584AA
HEX#8584AA
RGBrgb(133, 132, 170)
RGB (0–1)0.5216, 0.5176, 0.6667
RGB percentages52.2%, 51.8%, 66.7%
HSLhsl(241.6, 18.3%, 59.2%)
HSV / HSBhsv(241.6, 22.4%, 66.7%)
CMYK21.8%, 22.4%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,750,250
CSS custom property--colour: #8584AA;

Brightness & contrast

Relative luminance0.24391WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.88:1
Contrast with white3.57:1WCAG normal text: Fail
Contrast with black5.88:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#7A7B55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7A88ACno red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#7A86A9no green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#7D8A91no blue cones; rare, and affects men and women equally; ΔE 18.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.57:1WCAG large text: AA
Contrast with black, large text5.88:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 14.1Slate grey · ΔE 14.8Steel blue · ΔE 18.2Gray · ΔE 21.9Light steelblue · ΔE 24.6Dim grey · ΔE 24.9
Nearest named CSS colourLight slate grey (#778899)ΔE 14.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A9AA84
Analogous#8496AA, #9884AA
Triadic#AA8584, #84AA85
Split complementary#AA9884, #96AA84
Tetradic#AA8496, #A9AA84, #84AA98

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFDFD
Lighter +30%#DFDEE9
Lighter +20%#C1C0D4
Lighter +10%#A3A2BF
Darker −10%#686794
Darker −20%#535276
Darker −30%#3E3D58
Darker −40%#29283A
More saturated +25%#6C6AC4
Less saturated −25%#979797

Channel breakdown

R133
G132
B170
Red133 (52.2%)
Green132 (51.8%)
Blue170 (66.7%)
Hue241.58°
Saturation (HSL)18.27%
Lightness59.22%
Dominant channelBlue
Hex per channelR 85 · G 84 · B AA

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Every value on this page was computed from “8584aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.