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Recognised as Dice notation

20d57

  • 20d57
  • 20 to 1140
  • mean 580
  • mode 580

Rolling 20d57 gives a total between 20 and 1,140, with a mean of 580 and a standard deviation of 73.5754. There are 131,068,133,085,775,282,769,190,451,412,780,001 equally likely ordered outcomes, and the most likely total is 580 at 0.538%.

The canonical address for this page is /20d57.

The roll

Notation20d57
Dice20
Faces per die57
Minimum total20all 20 dice showing 1
Maximum total1,140all 20 dice showing 57
Distinct totals1,121
Mean580n(f + 1)/2 + modifier, exact
Variance5,413.33333333n(f² − 1)/12, exact
Standard deviation73.57535819≈

Counting the outcomes

Ordered outcomes131,068,133,085,775,282,769,190,451,412,780,00157^20, every die distinguishable
Most likely total580
Chance of that total0.538138%≈
Ways to roll it705,327,997,825,267,585,943,769,481,590,531exact count
Chance of the minimum7.62961962 × 10^-34%≈1 in 131,068,133,085,775,282,769,190,451,412,780,001
Chance of the maximum7.62961962 × 10^-34%≈1 in 131,068,133,085,775,282,769,190,451,412,780,001

Shape of the distribution

1,121 distinct totals, too many to list individually.

1st percentile410≈1.023% of rolls are this or lower
5th percentile459≈5.087% of rolls are this or lower
25th percentile530≈25.192% of rolls are this or lower
50th percentile580≈50.269% of rolls are this or lower
75th percentile630≈75.238% of rolls are this or lower
95th percentile701≈95.055% of rolls are this or lower
99th percentile750≈99.015% of rolls are this or lower

Chance of rolling at least

132100%≈
30099.9959%≈
58050.2691%≈
8600.0043%≈
1,0281.77593897 × 10^-10%≈

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The same dice, different counts

The same count, different dice

Also reads as

#020D57 (colour)

  • #020D57
  • Blue
  • Dark
  • Nearest: Midnight blue

#020D57 is a blue with RGB values 2, 13, 87 and HSL 232°, 96%, 17%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

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Colour values

#020D57#020D57
HEX#020D57
RGBrgb(2, 13, 87)
RGB (0–1)0.0078, 0.051, 0.3412
RGB percentages0.8%, 5.1%, 34.1%
HSLhsl(232.2, 95.5%, 17.5%)
HSV / HSBhsv(232.2, 97.7%, 34.1%)
CMYK97.7%, 85.1%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer134,487
CSS custom property--colour: #020D57;

Brightness & contrast

Relative luminance0.00989WCAG 2.x, 0 is black and 1 is white
Perceived brightness31 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.53:1
Contrast with white17.53:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#FDF2A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001E59no red cones; affects about 1% of men; ΔE 13.9 from the original
Deuteranopia#001556no green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#002432no blue cones; rare, and affects men and women equally; ΔE 47.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.53:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.3Dark slateblue · ΔE 22.2Indigo · ΔE 27.7Navy · ΔE 28.3Rebecca purple · ΔE 28.3Dark blue · ΔE 33.4
Nearest named CSS colourMidnight blue (#191970)ΔE 9.31, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#574C02
Analogous#023857, #220257
Triadic#57020D, #0D5702
Split complementary#572202, #375702
Tetradic#570237, #574C02, #025721

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2B46FA
Lighter +30%#0523ED
Lighter +20%#041CBB
Lighter +10%#031489
Darker −10%#010625
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000C59
Less saturated −25%#0D154C

Channel breakdown

R2
G13
B87
Red2 (0.8%)
Green13 (5.1%)
Blue87 (34.1%)
Hue232.24°
Saturation (HSL)95.51%
Lightness17.45%
Dominant channelBlue
Hex per channelR 02 · G 0D · B 57

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Every value on this page was computed from “020d57” by Nerdulator’s games engine. Nothing here was retrieved from a database of answers or written by a model.