Recognised as Colour

#B80339

#B80339
Red
Dark
Nearest: Crimson

#B80339 is a red with RGB values 184, 3, 57 and HSL 342°, 97%, 37%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#B80339#B80339

HEX#B80339

RGBrgb(184, 3, 57)

RGB (0–1)0.7216, 0.0118, 0.2235

RGB percentages72.2%, 1.2%, 22.4%

HSLhsl(342.1, 96.8%, 36.7%)

HSV / HSBhsv(342.1, 98.4%, 72.2%)

CMYK0%, 98.4%, 69%, 27.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,059,449

CSS custom property--colour: #B80339;

Brightness & contrast

Relative luminance0.10551WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.75:1

Contrast with white6.75:1WCAG normal text: AA

Contrast with black3.11:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#47FCC6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#484539no red cones; affects about 1% of men; ΔE 67.5 from the original

Deuteranopia#726734no green cones; the most common form, about 1% of men; ΔE 67.2 from the original

Tritanopia#CB0021no blue cones; rare, and affects men and women equally; ΔE 20.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text6.75:1WCAG large text: AAA

Contrast with black, large text3.11:1WCAG large text: AA

Named colours

Crimson · ΔE 14.7 Brown · ΔE 15.7 Firebrick · ΔE 16 Indian red · ΔE 23.9 Dark red · ΔE 24.2 Maroon · ΔE 25.1

Nearest named CSS colourCrimson (#DC143C)ΔE 14.7, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03B882

Analogous#B80394, #B82703

Triadic#39B803, #0339B8

Split complementary#03B828, #0393B8

Tetradic#94B803, #03B882, #2703B8

Tints, shades & saturation

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

Lighter +40%#FD8AAC

Lighter +30%#FC5889

Lighter +20%#FB2665

Lighter +10%#EA0449

Darker −10%#860229

Darker −20%#54011A

Darker −30%#21010A

Darker −40%#000000

More saturated +25%#BB0038

Less saturated −25%#A11A42

Channel breakdown

R184

B57

Red184 (72.2%)

Green3 (1.2%)

Blue57 (22.4%)

Hue342.1°

Saturation (HSL)96.79%

Lightness36.67%

Dominant channelRed

Hex per channelR B8 · G 03 · B 39

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B80339 (chemical formula)

Formula
868,464.59 g/mol
80339 atoms

B80339 has a molar mass of 868,464.59 g/mol, made up of 80339 atoms across 1 element: 80339 × B.

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Molar mass

Molar mass868,464.59 g/mol

Total atoms per molecule80339

Distinct elements1

Mass of one molecule1.4421194 × 10^-18 g

Molecules per gram6.9342387 × 10^17

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

B100%

Boron (B × 80339)868,464.59 g/mol, 100%

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Elements in this formula

Boron

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