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Colour

#6B55AA

  • #6B55AA
  • Violet
  • Dark
  • Nearest: Dark slateblue

#6B55AA is a violet with RGB values 107, 85, 170 and HSL 256°, 33%, 50%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#6B55AA#6B55AA
HEX#6B55AA
RGBrgb(107, 85, 170)
RGB (0–1)0.4196, 0.3333, 0.6667
RGB percentages42%, 33.3%, 66.7%
HSLhsl(255.5, 33.3%, 50%)
HSV / HSBhsv(255.5, 50%, 66.7%)
CMYK37.1%, 50%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,034,282
CSS custom property--colour: #6B55AA;

Brightness & contrast

Relative luminance0.12525WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.99:1
Contrast with white5.99:1WCAG normal text: AA
Contrast with black3.51:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#94AA55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3564ADno red cones; affects about 1% of men; ΔE 20.4 from the original
Deuteranopia#3962A8no green cones; the most common form, about 1% of men; ΔE 20.3 from the original
Tritanopia#5B6677no blue cones; rare, and affects men and women equally; ΔE 43.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.99:1WCAG large text: AAA
Contrast with black, large text3.51:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 11.6Medium purple · ΔE 16.8Slate blue · ΔE 16.9Rebecca purple · ΔE 17.1Royal blue · ΔE 23.5Midnight blue · ΔE 27.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.64, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#94AA55
Analogous#556AAA, #9555AA
Triadic#AA6B55, #55AA6B
Split complementary#AA9555, #6AAA55
Tetradic#AA556A, #94AA55, #55AA95

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1DDEE
Lighter +30%#C4BBDD
Lighter +20%#A699CC
Lighter +10%#8977BB
Darker −10%#564488
Darker −20%#403366
Darker −30%#2B2244
Darker −40%#151122
More saturated +25%#5C35CA
Less saturated −25%#7A758A

Channel breakdown

R107
G85
B170
Red107 (42%)
Green85 (33.3%)
Blue170 (66.7%)
Hue255.53°
Saturation (HSL)33.33%
Lightness50%
Dominant channelBlue
Hex per channelR 6B · G 55 · B AA

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Every value on this page was computed from “6b55aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.