Colour

#3333FF

#3333FF
Blue
Dark
Nearest: Medium blue

#3333FF is a blue with RGB values 51, 51, 255 and HSL 240°, 100%, 60%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#3333FF#3333FF

HEX#3333FF

HEX (short)#33F

RGBrgb(51, 51, 255)

RGB (0–1)0.2, 0.2, 1

RGB percentages20%, 20%, 100%

HSLhsl(240, 100%, 60%)

HSV / HSBhsv(240, 80%, 100%)

CMYK80%, 80%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,355,647

CSS custom property--colour: #3333FF;

Brightness & contrast

Relative luminance0.10291WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.87:1

Contrast with white6.87:1WCAG normal text: AA

Contrast with black3.06:1WCAG normal text: Fail

Greyscale equivalent#424242

Inverted#CCCC00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0065FFno red cones; affects about 1% of men; ΔE 35.1 from the original

Deuteranopia#004FFCno green cones; the most common form, about 1% of men; ΔE 19.7 from the original

Tritanopia#00749Bno blue cones; rare, and affects men and women equally; ΔE 105 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text6.87:1WCAG large text: AAA

Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Medium blue · ΔE 14.8 Blue · ΔE 17.7 Blue violet · ΔE 23.6 Dark violet · ΔE 29.3 Dark orchid · ΔE 38 Dark blue · ΔE 40.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 14.81, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FFFF33

Analogous#3399FF, #9933FF

Triadic#FF3333, #33FF33

Split complementary#FF9933, #99FF33

Tetradic#FF3399, #FFFF33, #33FF99

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#CCCCFF

Lighter +20%#9999FF

Lighter +10%#6666FF

Darker −10%#0000FF

Darker −20%#0000CC

Darker −30%#000099

Darker −40%#000066

More saturated +25%#3333FF

Less saturated −25%#4C4CE6

Channel breakdown

R51

G51

B255

Red51 (20%)

Green51 (20%)

Blue255 (100%)

Hue240°

Saturation (HSL)100%

Lightness60%

Dominant channelBlue

Hex per channelR 33 · G 33 · B FF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#3333FF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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