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Recognised as Colour

#3D1D68

  • #3D1D68
  • Violet
  • Dark
  • Nearest: Midnight blue

#3D1D68 is a violet with RGB values 61, 29, 104 and HSL 266°, 56%, 26%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#3D1D68#3D1D68
HEX#3D1D68
RGBrgb(61, 29, 104)
RGB (0–1)0.2392, 0.1137, 0.4078
RGB percentages23.9%, 11.4%, 40.8%
HSLhsl(265.6, 56.4%, 26.1%)
HSV / HSBhsv(265.6, 72.1%, 40.8%)
CMYK41.3%, 72.1%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,005,224
CSS custom property--colour: #3D1D68;

Brightness & contrast

Relative luminance0.0287WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.34:1
Contrast with white13.34:1WCAG normal text: AAA
Contrast with black1.57:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#C2E297

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002F6Ano red cones; affects about 1% of men; ΔE 21 from the original
Deuteranopia#002F66no green cones; the most common form, about 1% of men; ΔE 22.9 from the original
Tritanopia#332F40no blue cones; rare, and affects men and women equally; ΔE 38.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.34:1WCAG large text: AAA
Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12Dark slateblue · ΔE 13.6Rebecca purple · ΔE 19.1Indigo · ΔE 24.4Purple · ΔE 28.4Navy · ΔE 31.1
Nearest named CSS colourMidnight blue (#191970)ΔE 11.95, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#48681D
Analogous#1D2268, #631D68
Triadic#683D1D, #1D683D
Split complementary#68631D, #22681D
Tetradic#681D23, #48681D, #1D6863

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A178D9
Lighter +30%#8650CE
Lighter +20%#6C33B8
Lighter +10%#542890
Darker −10%#261240
Darker −20%#0E0718
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3B0C79
Less saturated −25%#3F2E57

Channel breakdown

R61
G29
B104
Red61 (23.9%)
Green29 (11.4%)
Blue104 (40.8%)
Hue265.6°
Saturation (HSL)56.39%
Lightness26.08%
Dominant channelBlue
Hex per channelR 3D · G 1D · B 68

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Every value on this page was computed from “3d1d68” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.