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Colour

#3D6CB8

  • #3D6CB8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3D6CB8 is a blue with RGB values 61, 108, 184 and HSL 217°, 50%, 48%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3D6CB8#3D6CB8
HEX#3D6CB8
RGBrgb(61, 108, 184)
RGB (0–1)0.2392, 0.4235, 0.7216
RGB percentages23.9%, 42.4%, 72.2%
HSLhsl(217.1, 50.2%, 48%)
HSV / HSBhsv(217.1, 66.8%, 72.2%)
CMYK66.8%, 41.3%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,025,528
CSS custom property--colour: #3D6CB8;

Brightness & contrast

Relative luminance0.15178WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.2:1
Contrast with white5.2:1WCAG normal text: AA
Contrast with black4.04:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#C29347

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4973BBno red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#3667B6no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#007D89no blue cones; rare, and affects men and women equally; ΔE 45 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.2:1WCAG large text: AAA
Contrast with black, large text4.04:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 16.6Steel blue · ΔE 19.4Dodgerblue · ΔE 22.9Dark slateblue · ΔE 22.9Royal blue · ΔE 26.7Medium purple · ΔE 29.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B8893D
Analogous#3DAAB8, #4B3DB8
Triadic#B83D6C, #6CB83D
Split complementary#B84B3D, #AAB83D
Tetradic#B83DAA, #B8893D, #3DB84B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1DDF0
Lighter +30%#ABC0E3
Lighter +20%#85A4D6
Lighter +10%#5E87CA
Darker −10%#305692
Darker −20%#243F6B
Darker −30%#172945
Darker −40%#0A121F
More saturated +25%#1E65D7
Less saturated −25%#5C7399

Channel breakdown

R61
G108
B184
Red61 (23.9%)
Green108 (42.4%)
Blue184 (72.2%)
Hue217.07°
Saturation (HSL)50.2%
Lightness48.04%
Dominant channelBlue
Hex per channelR 3D · G 6C · B B8

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Every value on this page was computed from “3d6cb8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.