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Colour

#673A91

  • #673A91
  • Violet
  • Dark
  • Nearest: Rebecca purple

#673A91 is a violet with RGB values 103, 58, 145 and HSL 271°, 43%, 40%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#673A91#673A91
HEX#673A91
RGBrgb(103, 58, 145)
RGB (0–1)0.4039, 0.2275, 0.5686
RGB percentages40.4%, 22.7%, 56.9%
HSLhsl(271, 42.9%, 39.8%)
HSV / HSBhsv(271, 60%, 56.9%)
CMYK29%, 60%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,765,201
CSS custom property--colour: #673A91;

Brightness & contrast

Relative luminance0.07954WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.11:1
Contrast with white8.11:1WCAG normal text: AAA
Contrast with black2.59:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#98C56E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#144E94no red cones; affects about 1% of men; ΔE 28.2 from the original
Deuteranopia#28508Fno green cones; the most common form, about 1% of men; ΔE 29 from the original
Tritanopia#604B60no blue cones; rare, and affects men and women equally; ΔE 40 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.11:1WCAG large text: AAA
Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 8.6Dark slateblue · ΔE 11.7Slate blue · ΔE 20.6Midnight blue · ΔE 20.9Purple · ΔE 22.4Medium purple · ΔE 23.1
Nearest named CSS colourRebecca purple (#663399)ΔE 8.6, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#64913A
Analogous#3C3A91, #913A8F
Triadic#91673A, #3A9167
Split complementary#90913A, #3A913B
Tetradic#913C3A, #64913A, #3A9091

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCB5E2
Lighter +30%#B391D3
Lighter +20%#9A6DC4
Lighter +10%#8149B5
Darker −10%#4D2B6D
Darker −20%#331D48
Darker −30%#190E24
Darker −40%#000000
More saturated +25%#6821AA
Less saturated −25%#665378

Channel breakdown

R103
G58
B145
Red103 (40.4%)
Green58 (22.7%)
Blue145 (56.9%)
Hue271.03°
Saturation (HSL)42.86%
Lightness39.8%
Dominant channelBlue
Hex per channelR 67 · G 3A · B 91

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Every value on this page was computed from “673a91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.