Recognised as Colour

#B53546

#B53546
Red
Dark
Nearest: Brown

#B53546 is a red with RGB values 181, 53, 70 and HSL 352°, 55%, 46%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B53546#B53546

HEX#B53546

RGBrgb(181, 53, 70)

RGB (0–1)0.7098, 0.2078, 0.2745

RGB percentages71%, 20.8%, 27.5%

HSLhsl(352, 54.7%, 45.9%)

HSV / HSBhsv(352, 70.7%, 71%)

CMYK0%, 70.7%, 61.3%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,875,654

CSS custom property--colour: #B53546;

Brightness & contrast

Relative luminance0.12812WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.89:1

Contrast with white5.89:1WCAG normal text: AA

Contrast with black3.56:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#4ACAB9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#575346no red cones; affects about 1% of men; ΔE 54.9 from the original

Deuteranopia#786E43no green cones; the most common form, about 1% of men; ΔE 55.4 from the original

Tritanopia#C6123Cno blue cones; rare, and affects men and women equally; ΔE 15 from the original

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

Contrast with white, large text5.89:1WCAG large text: AAA

Contrast with black, large text3.56:1WCAG large text: AA

Named colours

Brown · ΔE 11.8 Indian red · ΔE 13.3 Firebrick · ΔE 18.2 Crimson · ΔE 23.4 Maroon · ΔE 25 Light coral · ΔE 25.5

Nearest named CSS colourBrown (#A52A2A)ΔE 11.76, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#35B5A4

Analogous#B53586, #B56435

Triadic#46B535, #3546B5

Split complementary#35B564, #3586B5

Tetradic#86B535, #35B5A4, #6435B5

Tints, shades & saturation

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

Lighter +40%#EFC7CD

Lighter +30%#E3A0A9

Lighter +20%#D87885

Lighter +10%#CC5161

Darker −10%#8E2937

Darker −20%#661E27

Darker −30%#3F1218

Darker −40%#170709

More saturated +25%#D21831

Less saturated −25%#98525B

Channel breakdown

R181

G53

B70

Red181 (71%)

Green53 (20.8%)

Blue70 (27.5%)

Hue352.03°

Saturation (HSL)54.7%

Lightness45.88%

Dominant channelRed

Hex per channelR B5 · G 35 · B 46

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B53546 (chemical formula)

Formula
578,832.26 g/mol
53546 atoms

B53546 has a molar mass of 578,832.26 g/mol, made up of 53546 atoms across 1 element: 53546 × B.

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Molar mass

Molar mass578,832.26 g/mol

Total atoms per molecule53546

Distinct elements1

Mass of one molecule9.6117358 × 10^-19 g

Molecules per gram1.0403948 × 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 × 53546)578,832.26 g/mol, 100%

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Elements in this formula

Boron

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