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Recognised as Colour

#3373CE

  • #3373CE
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3373CE is a blue with RGB values 51, 115, 206 and HSL 215°, 61%, 50%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3373CE#3373CE
HEX#3373CE
RGBrgb(51, 115, 206)
RGB (0–1)0.2, 0.451, 0.8078
RGB percentages20%, 45.1%, 80.8%
HSLhsl(215.2, 61.3%, 50.4%)
HSV / HSBhsv(215.2, 75.2%, 80.8%)
CMYK75.2%, 44.2%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,371,982
CSS custom property--colour: #3373CE;

Brightness & contrast

Relative luminance0.17422WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.68:1
Contrast with white4.68:1WCAG normal text: AA
Contrast with black4.48:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#CC8C31

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#457CD1no red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#266DCCno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#008896no blue cones; rare, and affects men and women equally; ΔE 52 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.68:1WCAG large text: AAA
Contrast with black, large text4.48:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 13.8Dodgerblue · ΔE 14.9Royal blue · ΔE 19.5Slate blue · ΔE 25.5Dark slateblue · ΔE 25.7Steel blue · ΔE 26.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.77, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CE8E33
Analogous#33C0CE, #4133CE
Triadic#CE3373, #73CE33
Split complementary#CE4133, #C0CE33
Tetradic#CE33C0, #CE8E33, #33CE41

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7E4F6
Lighter +30%#AEC8EC
Lighter +20%#85ABE2
Lighter +10%#5C8FD8
Darker −10%#285CA6
Darker −20%#1E457D
Darker −30%#142E54
Darker −40%#0A182B
More saturated +25%#136DEE
Less saturated −25%#5379AE

Channel breakdown

R51
G115
B206
Red51 (20%)
Green115 (45.1%)
Blue206 (80.8%)
Hue215.23°
Saturation (HSL)61.26%
Lightness50.39%
Dominant channelBlue
Hex per channelR 33 · G 73 · B CE

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Every value on this page was computed from “3373ce” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.