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Recognised as Colour

#55406C

  • #55406C
  • Violet
  • Dark
  • Nearest: Dark slateblue

#55406C is a violet with RGB values 85, 64, 108 and HSL 269°, 26%, 34%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#55406C#55406C
HEX#55406C
RGBrgb(85, 64, 108)
RGB (0–1)0.3333, 0.251, 0.4235
RGB percentages33.3%, 25.1%, 42.4%
HSLhsl(268.6, 25.6%, 33.7%)
HSV / HSBhsv(268.6, 40.7%, 42.4%)
CMYK21.3%, 40.7%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,587,052
CSS custom property--colour: #55406C;

Brightness & contrast

Relative luminance0.06681WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.99:1
Contrast with white8.99:1WCAG normal text: AAA
Contrast with black2.34:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#AABF93

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#36486Eno red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#3B496Bno green cones; the most common form, about 1% of men; ΔE 14.5 from the original
Tritanopia#514751no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.99:1WCAG large text: AAA
Contrast with black, large text2.34:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.1Dim grey · ΔE 32Slate grey · ΔE 32.4Steel blue · ΔE 32.9Midnight blue · ΔE 33.8Light slate grey · ΔE 34.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.13, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#576C40
Analogous#40416C, #6B406C
Triadic#6C5540, #406C55
Split complementary#6C6B40, #416C40
Tetradic#6C4041, #576C40, #406C6B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBABCD
Lighter +30%#A18BBA
Lighter +20%#886BA7
Lighter +10%#6E538C
Darker −10%#3C2D4C
Darker −20%#231A2C
Darker −30%#09070C
Darker −40%#000000
More saturated +25%#542B82
Less saturated −25%#565657

Channel breakdown

R85
G64
B108
Red85 (33.3%)
Green64 (25.1%)
Blue108 (42.4%)
Hue268.64°
Saturation (HSL)25.58%
Lightness33.73%
Dominant channelBlue
Hex per channelR 55 · G 40 · B 6C

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Every value on this page was computed from “55406c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.