Decimal number
2,220
- Positive
- Decimal
- 0 d.p.
- Exact fraction
2,220 is a decimal number equal to 2,220⁄1. It lies between 2,220 and 2,220, and as a percentage it is 222,000%.
Number properties
Fractions & ratios
Arithmetic
Representations
Decimal2,220
Scientific notation2.22 × 10^3
Exponential2.22e+3
IEEE 754 binary64 (hex)0x40A1580000000000the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x450AC00032-bit single precision, may lose accuracy
Rounding
To 0 decimal places2220
To 1 decimal place2220.0
To 2 decimal places2220.00
To 3 decimal places2220.000
To 4 decimal places2220.0000
To 1 significant figure2000
To 2 significant figures2200
To 3 significant figures2220
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Also reads as
#2220E0 (colour)
- #2220E0
- Blue
- Dark
- Nearest: Medium blue
#2220E0 is a blue with RGB values 34, 32, 224 and HSL 241°, 76%, 50%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.
Colour values
#2220E0#2220E0
HEX#2220E0
RGBrgb(34, 32, 224)
RGB (0–1)0.1333, 0.1255, 0.8784
RGB percentages13.3%, 12.5%, 87.8%
HSLhsl(240.6, 75.6%, 50.2%)
HSV / HSBhsv(240.6, 85.7%, 87.8%)
CMYK84.8%, 85.7%, 0%, 12.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,236,640
CSS custom property--colour: #2220E0;
Brightness & contrast
Relative luminance0.06755WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.93:1
Contrast with white8.93:1WCAG normal text: AAA
Contrast with black2.35:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#DDDF1F
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.93:1WCAG large text: AAA
Contrast with black, large text2.35:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#DEE020
Analogous#207EE0, #8220E0
Triadic#E02220, #20E022
Split complementary#E08220, #7EE020
Tetradic#E0207E, #DEE020, #20E082
Tints, shades & saturation
Channel breakdown
R34
G32
B224
Red34 (13.3%)
Green32 (12.5%)
Blue224 (87.8%)
Hue240.63°
Saturation (HSL)75.59%
Lightness50.2%
Dominant channelBlue
Hex per channelR 22 · G 20 · B E0
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Harmonies
Similar named colours
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