Decimal number

0

Zero
Decimal
0 d.p.
Exact fraction

0 is a decimal number equal to 0⁄1. It lies between 0 and 0, and as a percentage it is 0%.

Number properties

Absolute value0

SignZero

Integer part0

Fractional part0

Decimal places0

Floor0

Ceiling0

Rounded to nearest0

Truncated0

Fractions & ratios

As a fraction0/1exact

Ratio0 : 1

As a percentage0%

ReciprocalUndefined, division by zero

Arithmetic

Double0

Half0

Square0

Cube0

Square root0≈

Cube root0≈

Negation0

Representations

Decimal0

Scientific notation0

Exponential0e+0

IEEE 754 binary64 (hex)0x0000000000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x0000000032-bit single precision, may lose accuracy

Rounding

To 0 decimal places0

To 1 decimal place0.0

To 2 decimal places0.00

To 3 decimal places0.000

To 4 decimal places0.0000

To 1 significant figure0

To 2 significant figures0

To 3 significant figures0

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Neighbouring values

As a fraction

Also reads as

#0E0313 (colour)

#0E0313
Violet
Dark
Nearest: Black

#0E0313 is a violet with RGB values 14, 3, 19 and HSL 281°, 73%, 4%. It is a dark colour, so white text on it reaches 20.2:1 contrast (AAA for normal text). The nearest named colour is Black.

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Colour values

#0E0313#0E0313

HEX#0E0313

RGBrgb(14, 3, 19)

RGB (0–1)0.0549, 0.0118, 0.0745

RGB percentages5.5%, 1.2%, 7.5%

HSLhsl(281.3, 72.7%, 4.3%)

HSV / HSBhsv(281.3, 84.2%, 7.5%)

CMYK26.3%, 84.2%, 0%, 92.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer918,291

CSS custom property--colour: #0E0313;

Brightness & contrast

Relative luminance0.00206WCAG 2.x, 0 is black and 1 is white

Perceived brightness10.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.17:1

Contrast with white20.17:1WCAG normal text: AAA

Contrast with black1.04:1WCAG normal text: Fail

Greyscale equivalent#060606

Inverted#F1FCEC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#010614no red cones; affects about 1% of men; ΔE 4.6 from the original

Deuteranopia#030713no green cones; the most common form, about 1% of men; ΔE 4.6 from the original

Tritanopia#0E0509no blue cones; rare, and affects men and women equally; ΔE 5.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.17:1WCAG large text: AAA

Contrast with black, large text1.04:1WCAG large text: Fail

Named colours

Black · ΔE 8.3 Dark slate grey · ΔE 34.2 Dim grey · ΔE 43.3 Dark slateblue · ΔE 50.7 Slate grey · ΔE 51.8 Gray · ΔE 52.4

Nearest named CSS colourBlack (#000000)ΔE 8.34, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#081303

Analogous#060313, #130310

Triadic#130E03, #03130E

Split complementary#101303, #031306

Tetradic#130603, #081303, #031013

Tints, shades & saturation

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

Lighter +40%#901FC3

Lighter +30%#6F1897

Lighter +20%#4F116B

Lighter +10%#2E0A3F

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0F0016

Less saturated −25%#0D0610

Channel breakdown

R14

B19

Red14 (5.5%)

Green3 (1.2%)

Blue19 (7.5%)

Hue281.25°

Saturation (HSL)72.73%

Lightness4.31%

Dominant channelBlue

Hex per channelR 0E · G 03 · B 13

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0

Number properties

Fractions & ratios

Arithmetic

Representations

Rounding

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Neighbouring values

As a fraction

#0E0313 (colour)

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

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Harmonies

Lighter and darker

Similar named colours

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