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Recognised as Colour

#584EC6

  • #584EC6
  • Blue
  • Dark
  • Nearest: Slate blue

#584EC6 is a blue with RGB values 88, 78, 198 and HSL 245°, 51%, 54%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#584EC6#584EC6
HEX#584EC6
RGBrgb(88, 78, 198)
RGB (0–1)0.3451, 0.3059, 0.7765
RGB percentages34.5%, 30.6%, 77.6%
HSLhsl(245, 51.3%, 54.1%)
HSV / HSBhsv(245, 60.6%, 77.6%)
CMYK55.6%, 60.6%, 0%, 22.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,787,334
CSS custom property--colour: #584EC6;

Brightness & contrast

Relative luminance0.11601WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.33:1
Contrast with white6.33:1WCAG normal text: AA
Contrast with black3.32:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#A7B139

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0064CAno red cones; affects about 1% of men; ΔE 22 from the original
Deuteranopia#005BC4no green cones; the most common form, about 1% of men; ΔE 18.3 from the original
Tritanopia#226B82no blue cones; rare, and affects men and women equally; ΔE 66.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.33:1WCAG large text: AAA
Contrast with black, large text3.32:1WCAG large text: AA

Named colours

Slate blue · ΔE 6.2Medium slateblue · ΔE 12.7Royal blue · ΔE 13.9Rebecca purple · ΔE 17.1Medium purple · ΔE 18.4Dark slateblue · ΔE 24.6
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 6.24, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BCC64E
Analogous#4E80C6, #944EC6
Triadic#C6584E, #4EC658
Split complementary#C6944E, #80C64E
Tetradic#C64E80, #BCC64E, #4EC694

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAE8F8
Lighter +30%#C5C2EB
Lighter +20%#A19BDF
Lighter +10%#7C75D2
Darker −10%#4037AA
Darker −20%#322A84
Darker −30%#231E5D
Darker −40%#151236
More saturated +25%#4031E3
Less saturated −25%#706BA9

Channel breakdown

R88
G78
B198
Red88 (34.5%)
Green78 (30.6%)
Blue198 (77.6%)
Hue245°
Saturation (HSL)51.28%
Lightness54.12%
Dominant channelBlue
Hex per channelR 58 · G 4E · B C6

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Every value on this page was computed from “584ec6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.