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Recognised as Colour

#683A7B

  • #683A7B
  • Violet
  • Dark
  • Nearest: Dark slateblue

#683A7B is a violet with RGB values 104, 58, 123 and HSL 282°, 36%, 35%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#683A7B#683A7B
HEX#683A7B
RGBrgb(104, 58, 123)
RGB (0–1)0.4078, 0.2275, 0.4824
RGB percentages40.8%, 22.7%, 48.2%
HSLhsl(282.5, 35.9%, 35.5%)
HSV / HSBhsv(282.5, 52.8%, 48.2%)
CMYK15.4%, 52.8%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,830,715
CSS custom property--colour: #683A7B;

Brightness & contrast

Relative luminance0.07399WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.47:1
Contrast with white8.47:1WCAG normal text: AAA
Contrast with black2.48:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#97C584

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C4A7Dno red cones; affects about 1% of men; ΔE 26.2 from the original
Deuteranopia#3A4E79no green cones; the most common form, about 1% of men; ΔE 26.9 from the original
Tritanopia#674455no blue cones; rare, and affects men and women equally; ΔE 28.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.47:1WCAG large text: AAA
Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.6Rebecca purple · ΔE 21.1Midnight blue · ΔE 26.6Purple · ΔE 27.9Medium purple · ΔE 31Slate blue · ΔE 31.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.64, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D7B3A
Analogous#483A7B, #7B3A6E
Triadic#7B683A, #3A7B68
Split complementary#6E7B3A, #3A7B47
Tetradic#7B483A, #4D7B3A, #3A6E7B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAAAD7
Lighter +30%#B487C7
Lighter +20%#9E65B6
Lighter +10%#854A9E
Darker −10%#4B2A58
Darker −20%#2D1936
Darker −30%#100913
Darker −40%#000000
More saturated +25%#712392
Less saturated −25%#5F5164

Channel breakdown

R104
G58
B123
Red104 (40.8%)
Green58 (22.7%)
Blue123 (48.2%)
Hue282.46°
Saturation (HSL)35.91%
Lightness35.49%
Dominant channelBlue
Hex per channelR 68 · G 3A · B 7B

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Every value on this page was computed from “683a7b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.