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Colour

#3D47B2

  • #3D47B2
  • Blue
  • Dark
  • Nearest: Slate blue

#3D47B2 is a blue with RGB values 61, 71, 178 and HSL 235°, 49%, 47%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#3D47B2#3D47B2
HEX#3D47B2
RGBrgb(61, 71, 178)
RGB (0–1)0.2392, 0.2784, 0.698
RGB percentages23.9%, 27.8%, 69.8%
HSLhsl(234.9, 49%, 46.9%)
HSV / HSBhsv(234.9, 65.7%, 69.8%)
CMYK65.7%, 60.1%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,016,050
CSS custom property--colour: #3D47B2;

Brightness & contrast

Relative luminance0.08713WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.66:1
Contrast with white7.66:1WCAG normal text: AAA
Contrast with black2.74:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#C2B84D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0059B6no red cones; affects about 1% of men; ΔE 16.4 from the original
Deuteranopia#004EB0no green cones; the most common form, about 1% of men; ΔE 10.9 from the original
Tritanopia#006175no blue cones; rare, and affects men and women equally; ΔE 61.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.66:1WCAG large text: AAA
Contrast with black, large text2.74:1WCAG large text: Fail

Named colours

Slate blue · ΔE 11.3Royal blue · ΔE 14.9Rebecca purple · ΔE 16.7Dark slateblue · ΔE 17.4Medium slateblue · ΔE 21Midnight blue · ΔE 21.4
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 11.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B2A83D
Analogous#3D81B2, #6E3DB2
Triadic#B23D47, #47B23D
Split complementary#B26D3D, #82B23D
Tetradic#B23D81, #B2A83D, #3DB26D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDD0EE
Lighter +30%#A7ACE1
Lighter +20%#8188D4
Lighter +10%#5B64C7
Darker −10%#30388C
Darker −20%#232966
Darker −30%#161A40
Darker −40%#090A1A
More saturated +25%#1F2ED0
Less saturated −25%#5B6094

Channel breakdown

R61
G71
B178
Red61 (23.9%)
Green71 (27.8%)
Blue178 (69.8%)
Hue234.87°
Saturation (HSL)48.95%
Lightness46.86%
Dominant channelBlue
Hex per channelR 3D · G 47 · B B2

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Every value on this page was computed from “3d47b2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.