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Recognised as Colour

#3333C7

  • #3333C7
  • Blue
  • Dark
  • Nearest: Dark blue

#3333C7 is a blue with RGB values 51, 51, 199 and HSL 240°, 59%, 49%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3333C7#3333C7
HEX#3333C7
RGBrgb(51, 51, 199)
RGB (0–1)0.2, 0.2, 0.7804
RGB percentages20%, 20%, 78%
HSLhsl(240, 59.2%, 49%)
HSV / HSBhsv(240, 74.4%, 78%)
CMYK74.4%, 74.4%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,355,591
CSS custom property--colour: #3333C7;

Brightness & contrast

Relative luminance0.07195WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.61:1
Contrast with white8.61:1WCAG normal text: AAA
Contrast with black2.44:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#CCCC38

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0053CBno red cones; affects about 1% of men; ΔE 23.8 from the original
Deuteranopia#0044C4no green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#005E7Bno blue cones; rare, and affects men and women equally; ΔE 81 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.61:1WCAG large text: AAA
Contrast with black, large text2.44:1WCAG large text: Fail

Named colours

Dark blue · ΔE 19Navy · ΔE 22.3Blue violet · ΔE 23.4Medium slateblue · ΔE 23.7Medium blue · ΔE 25.3Dark orchid · ΔE 25.3
Nearest named CSS colourDark blue (#00008B)ΔE 18.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C7C733
Analogous#337DC7, #7D33C7
Triadic#C73333, #33C733
Split complementary#C77D33, #7DC733
Tetradic#C7337D, #C7C733, #33C77D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2D2F4
Lighter +30%#AAAAE9
Lighter +20%#8181DF
Lighter +10%#5959D4
Darker −10%#29299E
Darker −20%#1E1E76
Darker −30%#14144D
Darker −40%#090925
More saturated +25%#1414E6
Less saturated −25%#5252A8

Channel breakdown

R51
G51
B199
Red51 (20%)
Green51 (20%)
Blue199 (78%)
Hue240°
Saturation (HSL)59.2%
Lightness49.02%
Dominant channelBlue
Hex per channelR 33 · G 33 · B C7

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Every value on this page was computed from “3333c7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.