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Recognised as Colour

#584DBE

  • #584DBE
  • Blue
  • Dark
  • Nearest: Slate blue

#584DBE is a blue with RGB values 88, 77, 190 and HSL 246°, 47%, 52%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#584DBE#584DBE
HEX#584DBE
RGBrgb(88, 77, 190)
RGB (0–1)0.3451, 0.302, 0.7451
RGB percentages34.5%, 30.2%, 74.5%
HSLhsl(245.8, 46.5%, 52.4%)
HSV / HSBhsv(245.8, 59.5%, 74.5%)
CMYK53.7%, 59.5%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,787,070
CSS custom property--colour: #584DBE;

Brightness & contrast

Relative luminance0.111WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.52:1
Contrast with white6.52:1WCAG normal text: AA
Contrast with black3.22:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#A7B241

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0061C2no red cones; affects about 1% of men; ΔE 21.3 from the original
Deuteranopia#005ABCno green cones; the most common form, about 1% of men; ΔE 19 from the original
Tritanopia#2C687Eno blue cones; rare, and affects men and women equally; ΔE 62.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.52:1WCAG large text: AAA
Contrast with black, large text3.22:1WCAG large text: AA

Named colours

Slate blue · ΔE 5.6Royal blue · ΔE 14.2Rebecca purple · ΔE 14.9Medium slateblue · ΔE 15.4Medium purple · ΔE 17.3Dark slateblue · ΔE 20.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 5.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B3BE4D
Analogous#4D7BBE, #904DBE
Triadic#BE584D, #4DBE58
Split complementary#BE904D, #7BBE4D
Tetradic#BE4D7B, #B3BE4D, #4DBE90

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4E2F5
Lighter +30%#C1BDE7
Lighter +20%#9E98D9
Lighter +10%#7B72CC
Darker −10%#443A9E
Darker −20%#342C79
Darker −30%#241E54
Darker −40%#14112E
More saturated +25%#402FDC
Less saturated −25%#706BA0

Channel breakdown

R88
G77
B190
Red88 (34.5%)
Green77 (30.2%)
Blue190 (74.5%)
Hue245.84°
Saturation (HSL)46.5%
Lightness52.35%
Dominant channelBlue
Hex per channelR 58 · G 4D · B BE

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Every value on this page was computed from “584dbe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.