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Recognised as Colour

#583ED9

  • #583ED9
  • Blue
  • Dark
  • Nearest: Blue violet

#583ED9 is a blue with RGB values 88, 62, 217 and HSL 250°, 67%, 55%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#583ED9#583ED9
HEX#583ED9
RGBrgb(88, 62, 217)
RGB (0–1)0.3451, 0.2431, 0.851
RGB percentages34.5%, 24.3%, 85.1%
HSLhsl(250.1, 67.1%, 54.7%)
HSV / HSBhsv(250.1, 71.4%, 85.1%)
CMYK59.4%, 71.4%, 0%, 14.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,783,257
CSS custom property--colour: #583ED9;

Brightness & contrast

Relative luminance0.1053WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.76:1
Contrast with white6.76:1WCAG normal text: AA
Contrast with black3.11:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#A7C126

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0060DEno red cones; affects about 1% of men; ΔE 27.1 from the original
Deuteranopia#0056D6no green cones; the most common form, about 1% of men; ΔE 23.2 from the original
Tritanopia#006888no blue cones; rare, and affects men and women equally; ΔE 82.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.76:1WCAG large text: AAA
Contrast with black, large text3.11:1WCAG large text: AA

Named colours

Blue violet · ΔE 17.7Medium slateblue · ΔE 20.2Dark orchid · ΔE 20.4Dark violet · ΔE 24.4Slate blue · ΔE 25Dark blue · ΔE 25
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 17.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFD93E
Analogous#3E72D9, #A53ED9
Triadic#D9583E, #3ED958
Split complementary#D9A53E, #72D93E
Tetradic#D93E72, #BFD93E, #3ED9A5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBE8FB
Lighter +30%#C7BEF2
Lighter +20%#A293EA
Lighter +10%#7D69E1
Darker −10%#3F26BE
Darker −20%#311D94
Darker −30%#231569
Darker −40%#150C3F
More saturated +25%#4521F6
Less saturated −25%#6B5BBC

Channel breakdown

R88
G62
B217
Red88 (34.5%)
Green62 (24.3%)
Blue217 (85.1%)
Hue250.06°
Saturation (HSL)67.1%
Lightness54.71%
Dominant channelBlue
Hex per channelR 58 · G 3E · B D9

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Every value on this page was computed from “583ed9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.