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Recognised as Colour

#584EEB

  • #584EEB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#584EEB is a blue with RGB values 88, 78, 235 and HSL 244°, 80%, 61%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#584EEB#584EEB
HEX#584EEB
RGBrgb(88, 78, 235)
RGB (0–1)0.3451, 0.3059, 0.9216
RGB percentages34.5%, 30.6%, 92.2%
HSLhsl(243.8, 79.7%, 61.4%)
HSV / HSBhsv(243.8, 66.8%, 92.2%)
CMYK62.6%, 66.8%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,787,371
CSS custom property--colour: #584EEB;

Brightness & contrast

Relative luminance0.13522WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.67:1
Contrast with white5.67:1WCAG normal text: AA
Contrast with black3.7:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#A7B114

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006DF0no red cones; affects about 1% of men; ΔE 25.2 from the original
Deuteranopia#0060E8no green cones; the most common form, about 1% of men; ΔE 19.2 from the original
Tritanopia#007796no blue cones; rare, and affects men and women equally; ΔE 84.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.67:1WCAG large text: AAA
Contrast with black, large text3.7:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 17.2Blue violet · ΔE 21Dark orchid · ΔE 23.9Slate blue · ΔE 24.1Royal blue · ΔE 26.5Dark violet · ΔE 28.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E1EB4E
Analogous#4E93EB, #A74EEB
Triadic#EB584E, #4EEB58
Split complementary#EBA74E, #93EB4E
Tetradic#EB4E92, #E1EB4E, #4EEBA7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DAD7FB
Lighter +20%#AEAAF5
Lighter +10%#837CF0
Darker −10%#2D20E6
Darker −20%#2015BE
Darker −30%#181090
Darker −40%#110B62
More saturated +25%#473AFF
Less saturated −25%#6D67D2

Channel breakdown

R88
G78
B235
Red88 (34.5%)
Green78 (30.6%)
Blue235 (92.2%)
Hue243.82°
Saturation (HSL)79.7%
Lightness61.37%
Dominant channelBlue
Hex per channelR 58 · G 4E · B EB

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