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Recognised as Colour

#42303A

  • #42303A
  • Magenta
  • Dark
  • Nearest: Dark slate grey

#42303A is a magenta with RGB values 66, 48, 58 and HSL 327°, 16%, 22%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#42303A#42303A
HEX#42303A
RGBrgb(66, 48, 58)
RGB (0–1)0.2588, 0.1882, 0.2275
RGB percentages25.9%, 18.8%, 22.7%
HSLhsl(326.7, 15.8%, 22.4%)
HSV / HSBhsv(326.7, 27.3%, 25.9%)
CMYK0%, 27.3%, 12.1%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,337,722
CSS custom property--colour: #42303A;

Brightness & contrast

Relative luminance0.03578WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.24:1
Contrast with white12.24:1WCAG normal text: AAA
Contrast with black1.72:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#BDCFC5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#31333Ano red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#35363Ano green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#443033no blue cones; rare, and affects men and women equally; ΔE 4.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.24:1WCAG large text: AAA
Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.7Dim grey · ΔE 24.6Black · ΔE 24.6Gray · ΔE 33.1Slate grey · ΔE 33.8Light slate grey · ΔE 36.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.65, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#304238
Analogous#413042, #423031
Triadic#3A4230, #303A42
Split complementary#314230, #304241
Tetradic#424130, #304238, #303142

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AE90A1
Lighter +30%#997288
Lighter +20%#7D5B6E
Lighter +10%#604554
Darker −10%#241B20
Darker −20%#070506
Darker −30%#000000
Darker −40%#000000
More saturated +25%#50223C
Less saturated −25%#393939

Channel breakdown

R66
G48
B58
Red66 (25.9%)
Green48 (18.8%)
Blue58 (22.7%)
Hue326.67°
Saturation (HSL)15.79%
Lightness22.35%
Dominant channelRed
Hex per channelR 42 · G 30 · B 3A

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Every value on this page was computed from “42303a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.