Recognised as Colour

#B11836

#B11836
Red
Dark
Nearest: Brown

#B11836 is a red with RGB values 177, 24, 54 and HSL 348°, 76%, 39%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B11836#B11836

HEX#B11836

RGBrgb(177, 24, 54)

RGB (0–1)0.6941, 0.0941, 0.2118

RGB percentages69.4%, 9.4%, 21.2%

HSLhsl(348.2, 76.1%, 39.4%)

HSV / HSBhsv(348.2, 86.4%, 69.4%)

CMYK0%, 86.4%, 69.5%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,606,070

CSS custom property--colour: #B11836;

Brightness & contrast

Relative luminance0.10267WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.88:1

Contrast with white6.88:1WCAG normal text: AA

Contrast with black3.05:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#4EE7C9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A4636no red cones; affects about 1% of men; ΔE 62.5 from the original

Deuteranopia#706531no green cones; the most common form, about 1% of men; ΔE 62.4 from the original

Tritanopia#C30026no blue cones; rare, and affects men and women equally; ΔE 15.5 from the original

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

Contrast with white, large text6.88:1WCAG large text: AAA

Contrast with black, large text3.05:1WCAG large text: AA

Named colours

Brown · ΔE 10.9 Firebrick · ΔE 13.3 Crimson · ΔE 17.3 Indian red · ΔE 20.7 Dark red · ΔE 21 Maroon · ΔE 21.4

Nearest named CSS colourBrown (#A52A2A)ΔE 10.9, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18B193

Analogous#B11883, #B14718

Triadic#36B118, #1836B1

Split complementary#18B147, #1883B1

Tetradic#83B118, #18B193, #4618B1

Tints, shades & saturation

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

Lighter +40%#F2A3B2

Lighter +30%#EC768D

Lighter +20%#E64968

Lighter +10%#DE1E44

Darker −10%#841228

Darker −20%#570C1B

Darker −30%#2A060D

Darker −40%#000000

More saturated +25%#C90027

Less saturated −25%#983145

Channel breakdown

R177

G24

B54

Red177 (69.4%)

Green24 (9.4%)

Blue54 (21.2%)

Hue348.24°

Saturation (HSL)76.12%

Lightness39.41%

Dominant channelRed

Hex per channelR B1 · G 18 · B 36

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B11836 (chemical formula)

Formula
127,947.16 g/mol
11836 atoms

B11836 has a molar mass of 127,947.16 g/mol, made up of 11836 atoms across 1 element: 11836 × B.

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Molar mass

Molar mass127,947.16 g/mol

Total atoms per molecule11836

Distinct elements1

Mass of one molecule2.1246126 × 10^-19 g

Molecules per gram4.7067405 × 10^18

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 × 11836)127,947.16 g/mol, 100%

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Elements in this formula

Boron

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