Recognised as Decimal number
61
- Positive
- Decimal
- 0 d.p.
- Exact fraction
- 2 s.f.
61 is a decimal number equal to 61⁄1. It lies between 61 and 61, and as a percentage it is 6,100%.
Number properties
Fractions & ratios
Arithmetic
Representations
Decimal61
Scientific notation6.1 × 10^1
Exponential6.1e+1
IEEE 754 binary64 (hex)0x404E800000000000the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x4274000032-bit single precision, may lose accuracy
Rounding & precision
Significant figures as written2counted from the digits as typed, not from the value
To 0 decimal places61
To 1 decimal place61.0
To 2 decimal places61.00
To 3 decimal places61.000
To 4 decimal places61.0000
To 1 significant figure6e+1
To 2 significant figures61
To 3 significant figures61.0
To 4 significant figures61.00
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Also reads as
#0061E0 (colour)
- #0061E0
- Blue
- Dark
- Nearest: Royal blue
#0061E0 is a blue with RGB values 0, 97, 224 and HSL 214°, 100%, 44%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.
Colour values
#0061E0#0061E0
HEX#0061E0
RGBrgb(0, 97, 224)
RGB (0–1)0, 0.3804, 0.8784
RGB percentages0%, 38%, 87.8%
HSLhsl(214, 100%, 43.9%)
HSV / HSBhsv(214, 100%, 87.8%)
CMYK100%, 56.7%, 0%, 12.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer25,056
CSS custom property--colour: #0061E0;
Brightness & contrast
Relative luminance0.13931WCAG 2.x, 0 is black and 1 is white
Perceived brightness106 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.55:1
Contrast with white5.55:1WCAG normal text: AA
Contrast with black3.79:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#FF9E1F
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.55:1WCAG large text: AAA
Contrast with black, large text3.79:1WCAG large text: AA
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#E07F00
Analogous#00D1E0, #0F00E0
Triadic#E00061, #61E000
Split complementary#E00F00, #D1E000
Tetradic#E000D1, #E07F00, #00E00F
Tints, shades & saturation
Channel breakdown
R0
G97
B224
Red0 (0%)
Green97 (38%)
Blue224 (87.8%)
Hue214.02°
Saturation (HSL)100%
Lightness43.92%
Dominant channelBlue
Hex per channelR 00 · G 61 · B E0
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Harmonies
Similar named colours
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