Colour

#3937FD

#3937FD
Blue
Dark
Nearest: Medium blue

#3937FD is a blue with RGB values 57, 55, 253 and HSL 241°, 98%, 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

#3937FD#3937FD

HEX#3937FD

RGBrgb(57, 55, 253)

RGB (0–1)0.2235, 0.2157, 0.9922

RGB percentages22.4%, 21.6%, 99.2%

HSLhsl(240.6, 98%, 60.4%)

HSV / HSBhsv(240.6, 78.3%, 99.2%)

CMYK77.5%, 78.3%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,749,885

CSS custom property--colour: #3937FD;

Brightness & contrast

Relative luminance0.10694WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.69:1

Contrast with white6.69:1WCAG normal text: AA

Contrast with black3.14:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#C6C802

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0066FFno red cones; affects about 1% of men; ΔE 32.9 from the original

Deuteranopia#0052FAno green cones; the most common form, about 1% of men; ΔE 19.9 from the original

Tritanopia#00759Ano blue cones; rare, and affects men and women equally; ΔE 103.3 from the original

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

Contrast with white, large text6.69:1WCAG large text: AAA

Contrast with black, large text3.14:1WCAG large text: AA

Named colours

Medium blue · ΔE 15 Blue · ΔE 20.8 Blue violet · ΔE 21.7 Dark violet · ΔE 28 Dark orchid · ΔE 35.6 Dark blue · ΔE 38.6

Nearest named CSS colourMedium blue (#0000CD)ΔE 14.99, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FBFD37

Analogous#3798FD, #9C37FD

Triadic#FD3937, #37FD39

Split complementary#FD9C37, #98FD37

Tetradic#FD3798, #FBFD37, #37FD9C

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#CFCEFF

Lighter +20%#9D9CFE

Lighter +10%#6B69FE

Darker −10%#0705FC

Darker −20%#0402CC

Darker −30%#030299

Darker −40%#020167

More saturated +25%#3735FF

Less saturated −25%#5250E4

Channel breakdown

R57

G55

B253

Red57 (22.4%)

Green55 (21.6%)

Blue253 (99.2%)

Hue240.61°

Saturation (HSL)98.02%

Lightness60.39%

Dominant channelBlue

Hex per channelR 39 · G 37 · B FD

Keep nerding

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#3937FD

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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