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

#000E27 (colour)

#000E27
Blue
Dark
Nearest: Black

#000E27 is a blue with RGB values 0, 14, 39 and HSL 218°, 100%, 8%. It is a dark colour, so white text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Black.

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Colour values

#000E27#000E27

HEX#000E27

RGBrgb(0, 14, 39)

RGB (0–1)0, 0.0549, 0.1529

RGB percentages0%, 5.5%, 15.3%

HSLhsl(218.5, 100%, 7.6%)

HSV / HSBhsv(218.5, 100%, 15.3%)

CMYK100%, 64.1%, 0%, 84.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,623

CSS custom property--colour: #000E27;

Brightness & contrast

Relative luminance0.00461WCAG 2.x, 0 is black and 1 is white

Perceived brightness17 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.23:1

Contrast with white19.23:1WCAG normal text: AAA

Contrast with black1.09:1WCAG normal text: Fail

Greyscale equivalent#0D0D0D

Inverted#FFF1D8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#021128no red cones; affects about 1% of men; ΔE 1.4 from the original

Deuteranopia#000D27no green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#001418no blue cones; rare, and affects men and women equally; ΔE 15.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.23:1WCAG large text: AAA

Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 18.6 Dark slate grey · ΔE 34.1 Dark slateblue · ΔE 42.5 Midnight blue · ΔE 44 Dim grey · ΔE 44.2 Slate grey · ΔE 49.5

Nearest named CSS colourBlack (#000000)ΔE 18.65, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#271900

Analogous#002227, #050027

Triadic#27000E, #0E2700

Split complementary#270500, #222700

Tetradic#270022, #271900, #002705

Tints, shades & saturation

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

Lighter +40%#0057F3

Lighter +30%#0045C0

Lighter +20%#00338D

Lighter +10%#00205A

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000E27

Less saturated −25%#050F22

Channel breakdown

G14

B39

Red0 (0%)

Green14 (5.5%)

Blue39 (15.3%)

Hue218.46°

Saturation (HSL)100%

Lightness7.65%

Dominant channelBlue

Hex per channelR 00 · G 0E · B 27

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0

Number properties

Fractions & ratios

Arithmetic

Representations

Rounding

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Neighbouring values

As a fraction

#000E27 (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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