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Recognised as Colour

#3D183D

  • #3D183D
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#3D183D is a magenta with RGB values 61, 24, 61 and HSL 300°, 44%, 17%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3D183D#3D183D
HEX#3D183D
RGBrgb(61, 24, 61)
RGB (0–1)0.2392, 0.0941, 0.2392
RGB percentages23.9%, 9.4%, 23.9%
HSLhsl(300, 43.5%, 16.7%)
HSV / HSBhsv(300, 60.7%, 23.9%)
CMYK0%, 60.7%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,003,901
CSS custom property--colour: #3D183D;

Brightness & contrast

Relative luminance0.01982WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.04:1
Contrast with white15.04:1WCAG normal text: AAA
Contrast with black1.4:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#C2E7C2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#14233Eno red cones; affects about 1% of men; ΔE 20.9 from the original
Deuteranopia#20283Cno green cones; the most common form, about 1% of men; ΔE 21.6 from the original
Tritanopia#3F1C27no blue cones; rare, and affects men and women equally; ΔE 17.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.04:1WCAG large text: AAA
Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 30.6Black · ΔE 32.8Midnight blue · ΔE 34.7Rebecca purple · ΔE 40.5Dim grey · ΔE 41Dark slate grey · ΔE 41.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 30.62, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#183D18
Analogous#2B183D, #3D182B
Triadic#3D3D18, #183D3D
Split complementary#2B3D18, #183D2B
Tetradic#3D2B18, #183D18, #182B3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C160C1
Lighter +30%#AB43AB
Lighter +20%#863586
Lighter +10%#622662
Darker −10%#180A18
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#480D48
Less saturated −25%#322332

Channel breakdown

R61
G24
B61
Red61 (23.9%)
Green24 (9.4%)
Blue61 (23.9%)
Hue300°
Saturation (HSL)43.53%
Lightness16.67%
Dominant channelRed and Blue
Hex per channelR 3D · G 18 · B 3D

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Every value on this page was computed from “3d183d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.