Colour

#3148FF

#3148FF
Blue
Dark
Nearest: Medium blue

#3148FF is a blue with RGB values 49, 72, 255 and HSL 233°, 100%, 60%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#3148FF#3148FF

HEX#3148FF

RGBrgb(49, 72, 255)

RGB (0–1)0.1922, 0.2824, 1

RGB percentages19.2%, 28.2%, 100%

HSLhsl(233.3, 100%, 59.6%)

HSV / HSBhsv(233.3, 80.8%, 100%)

CMYK80.8%, 71.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,229,951

CSS custom property--colour: #3148FF;

Brightness & contrast

Relative luminance0.12508WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6:1

Contrast with white6:1WCAG normal text: AA

Contrast with black3.5:1WCAG normal text: Fail

Greyscale equivalent#505050

Inverted#CEB700

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#006DFFno red cones; affects about 1% of men; ΔE 28.6 from the original

Deuteranopia#0059FCno green cones; the most common form, about 1% of men; ΔE 14.4 from the original

Tritanopia#007D9Fno blue cones; rare, and affects men and women equally; ΔE 97.2 from the original

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

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

Contrast with black, large text3.5:1WCAG large text: AA

Named colours

Medium blue · ΔE 20.8 Blue violet · ΔE 22.4 Dark violet · ΔE 30.1 Blue · ΔE 30.5 Medium slateblue · ΔE 31.5 Dark orchid · ΔE 33.1

Nearest named CSS colourMedium blue (#0000CD)ΔE 20.81, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFE831

Analogous#31AFFF, #8131FF

Triadic#FF3148, #48FF31

Split complementary#FF8131, #AFFF31

Tetradic#FF31AF, #FFE831, #31FF81

Tints, shades & saturation

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

Lighter +40%#FDFDFF

Lighter +30%#CAD0FF

Lighter +20%#97A3FF

Lighter +10%#6475FF

Darker −10%#001CFD

Darker −20%#0017CA

Darker −30%#001197

Darker −40%#000B64

More saturated +25%#3148FF

Less saturated −25%#4B5CE5

Channel breakdown

R49

G72

B255

Red49 (19.2%)

Green72 (28.2%)

Blue255 (100%)

Hue233.3°

Saturation (HSL)100%

Lightness59.61%

Dominant channelBlue

Hex per channelR 31 · G 48 · B FF

Keep nerding

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#3148FF

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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