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Colour

#683DB3

  • #683DB3
  • Violet
  • Dark
  • Nearest: Rebecca purple

#683DB3 is a violet with RGB values 104, 61, 179 and HSL 262°, 49%, 47%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#683DB3#683DB3
HEX#683DB3
RGBrgb(104, 61, 179)
RGB (0–1)0.4078, 0.2392, 0.702
RGB percentages40.8%, 23.9%, 70.2%
HSLhsl(261.9, 49.2%, 47.1%)
HSV / HSBhsv(261.9, 65.9%, 70.2%)
CMYK41.9%, 65.9%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,831,539
CSS custom property--colour: #683DB3;

Brightness & contrast

Relative luminance0.09535WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.22:1
Contrast with white7.22:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#97C24C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0058B7no red cones; affects about 1% of men; ΔE 28.9 from the original
Deuteranopia#0055B1no green cones; the most common form, about 1% of men; ΔE 29.4 from the original
Tritanopia#545973no blue cones; rare, and affects men and women equally; ΔE 57.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.22:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 10Slate blue · ΔE 12.2Indigo · ΔE 18.1Medium slateblue · ΔE 18.2Medium purple · ΔE 20.6Dark orchid · ΔE 21.7
Nearest named CSS colourRebecca purple (#663399)ΔE 10.04, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#88B33D
Analogous#3D4DB3, #A33DB3
Triadic#B3683D, #3DB368
Split complementary#B3A33D, #4DB33D
Tetradic#B33D4D, #88B33D, #3DB3A3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DACEEE
Lighter +30%#BDA8E1
Lighter +20%#A082D4
Lighter +10%#835CC7
Darker −10%#52308D
Darker −20%#3C2367
Darker −30%#261641
Darker −40%#10091B
More saturated +25%#601FD1
Less saturated −25%#705B95

Channel breakdown

R104
G61
B179
Red104 (40.8%)
Green61 (23.9%)
Blue179 (70.2%)
Hue261.86°
Saturation (HSL)49.17%
Lightness47.06%
Dominant channelBlue
Hex per channelR 68 · G 3D · B B3

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Every value on this page was computed from “683db3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.