Recognised as Colour

#0313FF

#0313FF
Blue
Dark
Nearest: Blue

#0313FF is a blue with RGB values 3, 19, 255 and HSL 236°, 100%, 51%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#0313FF#0313FF

HEX#0313FF

RGBrgb(3, 19, 255)

RGB (0–1)0.0118, 0.0745, 1

RGB percentages1.2%, 7.5%, 100%

HSLhsl(236.2, 100%, 50.6%)

HSV / HSBhsv(236.2, 98.8%, 100%)

CMYK98.8%, 92.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer201,727

CSS custom property--colour: #0313FF;

Brightness & contrast

Relative luminance0.07705WCAG 2.x, 0 is black and 1 is white

Perceived brightness87.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.26:1

Contrast with white8.26:1WCAG normal text: AAA

Contrast with black2.54:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#FCEC00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005BFFno red cones; affects about 1% of men; ΔE 41 from the original

Deuteranopia#0040FCno green cones; the most common form, about 1% of men; ΔE 22.8 from the original

Tritanopia#006D97no blue cones; rare, and affects men and women equally; ΔE 115.4 from the original

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

Contrast with white, large text8.26:1WCAG large text: AAA

Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Blue · ΔE 3.8 Medium blue · ΔE 19 Blue violet · ΔE 33.1 Dark violet · ΔE 36.3 Dark orchid · ΔE 48.3 Dark blue · ΔE 49

Nearest named CSS colourBlue (#0000FF)ΔE 3.75, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFEF03

Analogous#0391FF, #7103FF

Triadic#FF0313, #13FF03

Split complementary#FF7103, #91FF03

Tetradic#FF0391, #FFEF03, #03FF71

Tints, shades & saturation

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

Lighter +40%#CFD2FF

Lighter +30%#9CA2FF

Lighter +20%#6973FF

Lighter +10%#3643FF

Darker −10%#000DCF

Darker −20%#000A9C

Darker −30%#000769

Darker −40%#000336

More saturated +25%#0313FF

Less saturated −25%#222FE0

Channel breakdown

G19

B255

Red3 (1.2%)

Green19 (7.5%)

Blue255 (100%)

Hue236.19°

Saturation (HSL)100%

Lightness50.59%

Dominant channelBlue

Hex per channelR 03 · G 13 · B FF

Keep nerding

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

#0313FF

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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