Colour

#3337FF

#3337FF
Blue
Dark
Nearest: Medium blue

#3337FF is a blue with RGB values 51, 55, 255 and HSL 239°, 100%, 60%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#3337FF#3337FF

HEX#3337FF

RGBrgb(51, 55, 255)

RGB (0–1)0.2, 0.2157, 1

RGB percentages20%, 21.6%, 100%

HSLhsl(238.8, 100%, 60%)

HSV / HSBhsv(238.8, 80%, 100%)

CMYK80%, 78.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,356,671

CSS custom property--colour: #3337FF;

Brightness & contrast

Relative luminance0.10656WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.71:1

Contrast with white6.71:1WCAG normal text: AA

Contrast with black3.13:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#CCC800

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0066FFno red cones; affects about 1% of men; ΔE 33.7 from the original

Deuteranopia#0051FCno green cones; the most common form, about 1% of men; ΔE 19 from the original

Tritanopia#00769Cno blue cones; rare, and affects men and women equally; ΔE 103.8 from the original

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

Contrast with white, large text6.71:1WCAG large text: AAA

Contrast with black, large text3.13:1WCAG large text: AA

Named colours

Medium blue · ΔE 15.2 Blue · ΔE 19.9 Blue violet · ΔE 22.9 Dark violet · ΔE 29 Dark orchid · ΔE 36.8 Dark blue · ΔE 39.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 15.24, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFFB33

Analogous#339DFF, #9533FF

Triadic#FF3337, #37FF33

Split complementary#FF9533, #9DFF33

Tetradic#FF339D, #FFFB33, #33FF95

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#CCCDFF

Lighter +20%#999BFF

Lighter +10%#6669FF

Darker −10%#0005FF

Darker −20%#0004CC

Darker −30%#000399

Darker −40%#000266

More saturated +25%#3337FF

Less saturated −25%#4C50E6

Channel breakdown

R51

G55

B255

Red51 (20%)

Green55 (21.6%)

Blue255 (100%)

Hue238.82°

Saturation (HSL)100%

Lightness60%

Dominant channelBlue

Hex per channelR 33 · G 37 · B FF

Keep nerding

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#3337FF

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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