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Recognised as Colour

#585D8B

  • #585D8B
  • Blue
  • Dark
  • Nearest: Steel blue

#585D8B is a blue with RGB values 88, 93, 139 and HSL 234°, 22%, 45%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#585D8B#585D8B
HEX#585D8B
RGBrgb(88, 93, 139)
RGB (0–1)0.3451, 0.3647, 0.5451
RGB percentages34.5%, 36.5%, 54.5%
HSLhsl(234.1, 22.5%, 44.5%)
HSV / HSBhsv(234.1, 36.7%, 54.5%)
CMYK36.7%, 33.1%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,791,115
CSS custom property--colour: #585D8B;

Brightness & contrast

Relative luminance0.11767WCAG 2.x, 0 is black and 1 is white
Perceived brightness98 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.26:1
Contrast with white6.26:1WCAG normal text: AA
Contrast with black3.35:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#A7A274

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F628Dno red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#4B5F8Ano green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#4A666Eno blue cones; rare, and affects men and women equally; ΔE 25.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.26:1WCAG large text: AAA
Contrast with black, large text3.35:1WCAG large text: AA

Named colours

Steel blue · ΔE 19.2Slate grey · ΔE 23Light slate grey · ΔE 24.5Dark slateblue · ΔE 24.8Dim grey · ΔE 28.2Gray · ΔE 30.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 19.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B8658
Analogous#58778B, #6D588B
Triadic#8B585D, #5D8B58
Split complementary#8B6D58, #768B58
Tetradic#8B5876, #8B8658, #588B6C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFD0E0
Lighter +30%#AFB2CD
Lighter +20%#9094B9
Lighter +10%#7176A5
Darker −10%#44486C
Darker −20%#30334D
Darker −30%#1D1E2D
Darker −40%#09090E
More saturated +25%#3C46A7
Less saturated −25%#727272

Channel breakdown

R88
G93
B139
Red88 (34.5%)
Green93 (36.5%)
Blue139 (54.5%)
Hue234.12°
Saturation (HSL)22.47%
Lightness44.51%
Dominant channelBlue
Hex per channelR 58 · G 5D · B 8B

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Every value on this page was computed from “585d8b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.