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Colour

#3D3D68

  • #3D3D68
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3D3D68 is a blue with RGB values 61, 61, 104 and HSL 240°, 26%, 32%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3D3D68#3D3D68
HEX#3D3D68
RGBrgb(61, 61, 104)
RGB (0–1)0.2392, 0.2392, 0.4078
RGB percentages23.9%, 23.9%, 40.8%
HSLhsl(240, 26.1%, 32.4%)
HSV / HSBhsv(240, 41.3%, 40.8%)
CMYK41.3%, 41.3%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,013,416
CSS custom property--colour: #3D3D68;

Brightness & contrast

Relative luminance0.05329WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.17:1
Contrast with white10.17:1WCAG normal text: AAA
Contrast with black2.07:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#C2C297

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E436Ano red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#2D4067no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#31454Dno blue cones; rare, and affects men and women equally; ΔE 25 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.17:1WCAG large text: AAA
Contrast with black, large text2.07:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.2Steel blue · ΔE 30.3Dark slate grey · ΔE 32.2Slate grey · ΔE 32.4Dim grey · ΔE 32.5Midnight blue · ΔE 33.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#68683D
Analogous#3D5268, #523D68
Triadic#683D3D, #3D683D
Split complementary#68523D, #52683D
Tetradic#683D52, #68683D, #3D6852

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6A6CB
Lighter +30%#8686B8
Lighter +20%#6666A5
Lighter +10%#505088
Darker −10%#2A2A48
Darker −20%#171728
Darker −30%#040408
Darker −40%#000000
More saturated +25%#28287D
Less saturated −25%#525253

Channel breakdown

R61
G61
B104
Red61 (23.9%)
Green61 (23.9%)
Blue104 (40.8%)
Hue240°
Saturation (HSL)26.06%
Lightness32.35%
Dominant channelBlue
Hex per channelR 3D · G 3D · B 68

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Every value on this page was computed from “3d3d68” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.