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Recognised as Colour

#66455D

  • #66455D
  • Magenta
  • Dark
  • Nearest: Dim grey

#66455D is a magenta with RGB values 102, 69, 93 and HSL 316°, 19%, 34%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#66455D#66455D
HEX#66455D
RGBrgb(102, 69, 93)
RGB (0–1)0.4, 0.2706, 0.3647
RGB percentages40%, 27.1%, 36.5%
HSLhsl(316.4, 19.3%, 33.5%)
HSV / HSBhsv(316.4, 32.4%, 40%)
CMYK0%, 32.4%, 8.8%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,702,429
CSS custom property--colour: #66455D;

Brightness & contrast

Relative luminance0.07871WCAG 2.x, 0 is black and 1 is white
Perceived brightness83 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.16:1
Contrast with white8.16:1WCAG normal text: AAA
Contrast with black2.57:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#99BAA2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#464C5Eno red cones; affects about 1% of men; ΔE 16.6 from the original
Deuteranopia#4D515Cno green cones; the most common form, about 1% of men; ΔE 17.5 from the original
Tritanopia#69464Dno blue cones; rare, and affects men and women equally; ΔE 10.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.16:1WCAG large text: AAA
Contrast with black, large text2.57:1WCAG large text: Fail

Named colours

Dim grey · ΔE 22.9Slate grey · ΔE 28.2Gray · ΔE 28.4Light slate grey · ΔE 30.5Dark slate grey · ΔE 30.6Rosy brown · ΔE 33.5
Nearest named CSS colourDim grey (#696969)ΔE 22.93, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#45664E
Analogous#5F4566, #66454D
Triadic#5D6645, #455D66
Split complementary#4D6645, #45665F
Tetradic#665F45, #45664E, #454D66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9AEC1
Lighter +30%#B490AA
Lighter +20%#9F7293
Lighter +10%#845A79
Darker −10%#483041
Darker −20%#291C26
Darker −30%#0B070A
Darker −40%#000000
More saturated +25%#7B3067
Less saturated −25%#565656

Channel breakdown

R102
G69
B93
Red102 (40%)
Green69 (27.1%)
Blue93 (36.5%)
Hue316.36°
Saturation (HSL)19.3%
Lightness33.53%
Dominant channelRed
Hex per channelR 66 · G 45 · B 5D

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Every value on this page was computed from “66455d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.