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Recognised as Colour

#585DAE

  • #585DAE
  • Blue
  • Dark
  • Nearest: Dark slateblue

#585DAE is a blue with RGB values 88, 93, 174 and HSL 237°, 35%, 51%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#585DAE#585DAE
HEX#585DAE
RGBrgb(88, 93, 174)
RGB (0–1)0.3451, 0.3647, 0.6824
RGB percentages34.5%, 36.5%, 68.2%
HSLhsl(236.5, 34.7%, 51.4%)
HSV / HSBhsv(236.5, 49.4%, 68.2%)
CMYK49.4%, 46.6%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,791,150
CSS custom property--colour: #585DAE;

Brightness & contrast

Relative luminance0.12959WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.85:1
Contrast with white5.85:1WCAG normal text: AA
Contrast with black3.59:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#A7A251

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B68B1no red cones; affects about 1% of men; ΔE 12 from the original
Deuteranopia#3362ACno green cones; the most common form, about 1% of men; ΔE 11.3 from the original
Tritanopia#376E7Dno blue cones; rare, and affects men and women equally; ΔE 45.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.85:1WCAG large text: AAA
Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 13.2Slate blue · ΔE 20.8Medium purple · ΔE 21.2Royal blue · ΔE 22.5Cornflower blue · ΔE 22.9Rebecca purple · ΔE 24.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.21, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AEA958
Analogous#5888AE, #7E58AE
Triadic#AE585D, #5DAE58
Split complementary#AE7E58, #88AE58
Tetradic#AE5888, #AEA958, #58AE7E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1E2F1
Lighter +30%#BFC1E0
Lighter +20%#9DA0CF
Lighter +10%#7A7EBF
Darker −10%#45498E
Darker −20%#34376C
Darker −30%#242649
Darker −40%#131427
More saturated +25%#3942CD
Less saturated −25%#77788F

Channel breakdown

R88
G93
B174
Red88 (34.5%)
Green93 (36.5%)
Blue174 (68.2%)
Hue236.51°
Saturation (HSL)34.68%
Lightness51.37%
Dominant channelBlue
Hex per channelR 58 · G 5D · B AE

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