Colour

#313DF4

#313DF4
Blue
Dark
Nearest: Medium blue

#313DF4 is a blue with RGB values 49, 61, 244 and HSL 236°, 90%, 57%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#313DF4#313DF4

HEX#313DF4

RGBrgb(49, 61, 244)

RGB (0–1)0.1922, 0.2392, 0.9569

RGB percentages19.2%, 23.9%, 95.7%

HSLhsl(236.3, 89.9%, 57.5%)

HSV / HSBhsv(236.3, 79.9%, 95.7%)

CMYK79.9%, 75%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,227,124

CSS custom property--colour: #313DF4;

Brightness & contrast

Relative luminance0.10522WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.76:1

Contrast with white6.76:1WCAG normal text: AA

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

Greyscale equivalent#484848

Inverted#CEC20B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0065F9no red cones; affects about 1% of men; ΔE 27.8 from the original

Deuteranopia#0051F1no green cones; the most common form, about 1% of men; ΔE 16 from the original

Tritanopia#007497no blue cones; rare, and affects men and women equally; ΔE 96.7 from the original

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

Contrast with white, large text6.76:1WCAG large text: AAA

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

Named colours

Medium blue · ΔE 16.8 Blue violet · ΔE 20.5 Dark violet · ΔE 27.8 Blue · ΔE 28.2 Dark orchid · ΔE 32 Medium slateblue · ΔE 33.2

Nearest named CSS colourMedium blue (#0000CD)ΔE 16.78, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F4E831

Analogous#319EF4, #8731F4

Triadic#F4313D, #3DF431

Split complementary#F48731, #9EF431

Tetradic#F4319E, #F4E831, #31F487

Tints, shades & saturation

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

Lighter +40%#F3F3FE

Lighter +30%#C2C6FC

Lighter +20%#9298F9

Lighter +10%#616BF7

Darker −10%#0C1AE6

Darker −20%#0A14B5

Darker −30%#070F85

Darker −40%#050954

More saturated +25%#2633FF

Less saturated −25%#4C55D9

Channel breakdown

R49

G61

B244

Red49 (19.2%)

Green61 (23.9%)

Blue244 (95.7%)

Hue236.31°

Saturation (HSL)89.86%

Lightness57.45%

Dominant channelBlue

Hex per channelR 31 · G 3D · B F4

Keep nerding

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

#313DF4

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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