Nerdulator> put something in

Recognised as Colour

#683A89

  • #683A89
  • Violet
  • Dark
  • Nearest: Dark slateblue

#683A89 is a violet with RGB values 104, 58, 137 and HSL 275°, 41%, 38%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#683A89#683A89
HEX#683A89
RGBrgb(104, 58, 137)
RGB (0–1)0.4078, 0.2275, 0.5373
RGB percentages40.8%, 22.7%, 53.7%
HSLhsl(274.9, 40.5%, 38.2%)
HSV / HSBhsv(274.9, 57.7%, 53.7%)
CMYK24.1%, 57.7%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,830,729
CSS custom property--colour: #683A89;

Brightness & contrast

Relative luminance0.07775WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.22:1
Contrast with white8.22:1WCAG normal text: AAA
Contrast with black2.56:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#97C576

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#204D8Cno red cones; affects about 1% of men; ΔE 27.7 from the original
Deuteranopia#314F87no green cones; the most common form, about 1% of men; ΔE 28 from the original
Tritanopia#63485Cno blue cones; rare, and affects men and women equally; ΔE 35.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.22:1WCAG large text: AAA
Contrast with black, large text2.56:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.4Rebecca purple · ΔE 13Midnight blue · ΔE 22.4Purple · ΔE 23.6Slate blue · ΔE 24.5Medium purple · ΔE 25.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.43, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B893A
Analogous#413A89, #893A82
Triadic#89683A, #3A8968
Split complementary#83893A, #3A8941
Tetradic#89413A, #5B893A, #3A8389

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBB1DE
Lighter +30%#B38DCF
Lighter +20%#9C69C0
Lighter +10%#8349AD
Darker −10%#4D2B65
Darker −20%#321C41
Darker −30%#160C1E
Darker −40%#000000
More saturated +25%#6C22A1
Less saturated −25%#645271

Channel breakdown

R104
G58
B137
Red104 (40.8%)
Green58 (22.7%)
Blue137 (53.7%)
Hue274.94°
Saturation (HSL)40.51%
Lightness38.24%
Dominant channelBlue
Hex per channelR 68 · G 3A · B 89

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “683a89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.