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Recognised as Colour

#683EC3

  • #683EC3
  • Violet
  • Dark
  • Nearest: Slate blue

#683EC3 is a violet with RGB values 104, 62, 195 and HSL 259°, 53%, 50%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#683EC3#683EC3
HEX#683EC3
RGBrgb(104, 62, 195)
RGB (0–1)0.4078, 0.2431, 0.7647
RGB percentages40.8%, 24.3%, 76.5%
HSLhsl(258.9, 52.6%, 50.4%)
HSV / HSBhsv(258.9, 68.2%, 76.5%)
CMYK46.7%, 68.2%, 0%, 23.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,831,811
CSS custom property--colour: #683EC3;

Brightness & contrast

Relative luminance0.10328WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.85:1
Contrast with white6.85:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#97C13C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CC7no red cones; affects about 1% of men; ΔE 29 from the original
Deuteranopia#0058C0no green cones; the most common form, about 1% of men; ΔE 29.2 from the original
Tritanopia#4C5F7Bno blue cones; rare, and affects men and women equally; ΔE 66.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.85:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Slate blue · ΔE 15.4Medium slateblue · ΔE 15.8Dark orchid · ΔE 17.5Rebecca purple · ΔE 17.9Indigo · ΔE 20.7Medium purple · ΔE 24.2
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.38, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#99C33E
Analogous#3E56C3, #AB3EC3
Triadic#C3683E, #3EC368
Split complementary#C3AB3E, #56C33E
Tetradic#C33E56, #99C33E, #3EC3AB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2DAF3
Lighter +30%#C3B3E7
Lighter +20%#A58CDB
Lighter +10%#8665CF
Darker −10%#53319D
Darker −20%#3E2576
Darker −30%#2A194F
Darker −40%#150D28
More saturated +25%#5C1EE3
Less saturated −25%#745EA3

Channel breakdown

R104
G62
B195
Red104 (40.8%)
Green62 (24.3%)
Blue195 (76.5%)
Hue258.95°
Saturation (HSL)52.57%
Lightness50.39%
Dominant channelBlue
Hex per channelR 68 · G 3E · B C3

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Every value on this page was computed from “683ec3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.