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Recognised as Colour

#66375E

  • #66375E
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#66375E is a magenta with RGB values 102, 55, 94 and HSL 310°, 30%, 31%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#66375E#66375E
HEX#66375E
RGBrgb(102, 55, 94)
RGB (0–1)0.4, 0.2157, 0.3686
RGB percentages40%, 21.6%, 36.9%
HSLhsl(310.2, 29.9%, 30.8%)
HSV / HSBhsv(310.2, 46.1%, 40%)
CMYK0%, 46.1%, 7.8%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,698,846
CSS custom property--colour: #66375E;

Brightness & contrast

Relative luminance0.06365WCAG 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 9.24:1
Contrast with white9.24:1WCAG normal text: AAA
Contrast with black2.27:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#99C8A1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#36435Fno red cones; affects about 1% of men; ΔE 24.6 from the original
Deuteranopia#434A5Dno green cones; the most common form, about 1% of men; ΔE 25.2 from the original
Tritanopia#6A3A46no blue cones; rare, and affects men and women equally; ΔE 16.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.24:1WCAG large text: AAA
Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 27.8Dim grey · ΔE 33.7Rebecca purple · ΔE 36.6Slate grey · ΔE 37.1Pale violetred · ΔE 38.3Midnight blue · ΔE 38.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 27.84, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#37663F
Analogous#573766, #663746
Triadic#5E6637, #375E66
Split complementary#466637, #376657
Tetradic#665737, #37663F, #374666

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CB9EC3
Lighter +30%#B97DAF
Lighter +20%#A75C9A
Lighter +10%#87497D
Darker −10%#45253F
Darker −20%#241321
Darker −30%#030102
Darker −40%#000000
More saturated +25%#7A236B
Less saturated −25%#524B51

Channel breakdown

R102
G55
B94
Red102 (40%)
Green55 (21.6%)
Blue94 (36.9%)
Hue310.21°
Saturation (HSL)29.94%
Lightness30.78%
Dominant channelRed
Hex per channelR 66 · G 37 · B 5E

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Every value on this page was computed from “66375e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.