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Colour

#681EB0

  • #681EB0
  • Violet
  • Dark
  • Nearest: Dark orchid

#681EB0 is a violet with RGB values 104, 30, 176 and HSL 270°, 71%, 40%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#681EB0#681EB0
HEX#681EB0
RGBrgb(104, 30, 176)
RGB (0–1)0.4078, 0.1176, 0.6902
RGB percentages40.8%, 11.8%, 69%
HSLhsl(270.4, 70.9%, 40.4%)
HSV / HSBhsv(270.4, 83%, 69%)
CMYK40.9%, 83%, 0%, 31%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,823,600
CSS custom property--colour: #681EB0;

Brightness & contrast

Relative luminance0.07006WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.75:1
Contrast with white8.75:1WCAG normal text: AAA
Contrast with black2.4:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#97E14F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004AB4no red cones; affects about 1% of men; ΔE 34 from the original
Deuteranopia#004AADno green cones; the most common form, about 1% of men; ΔE 37.1 from the original
Tritanopia#574869no blue cones; rare, and affects men and women equally; ΔE 63.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.75:1WCAG large text: AAA
Contrast with black, large text2.4:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 13.9Indigo · ΔE 16.1Dark blue · ΔE 19.6Blue violet · ΔE 19.8Dark violet · ΔE 21.3Navy · ΔE 21.7
Nearest named CSS colourDark orchid (#9932CC)ΔE 13.86, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#66B01E
Analogous#1F1EB0, #B01EAF
Triadic#B0681E, #1EB068
Split complementary#AFB01E, #1EB01F
Tetradic#B01F1E, #66B01E, #1EAFB0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDAAF0
Lighter +30%#B47EE9
Lighter +20%#9B52E2
Lighter +10%#8227DA
Darker −10%#4E1784
Darker −20%#350F59
Darker −30%#1B082D
Darker −40%#010002
More saturated +25%#6804CA
Less saturated −25%#683896

Channel breakdown

R104
G30
B176
Red104 (40.8%)
Green30 (11.8%)
Blue176 (69%)
Hue270.41°
Saturation (HSL)70.87%
Lightness40.39%
Dominant channelBlue
Hex per channelR 68 · G 1E · B B0

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Every value on this page was computed from “681eb0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.