Recognised as Colour

#B52853

#B52853
Red
Dark
Nearest: Indian red

#B52853 is a red with RGB values 181, 40, 83 and HSL 342°, 64%, 43%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B52853#B52853

HEX#B52853

RGBrgb(181, 40, 83)

RGB (0–1)0.7098, 0.1569, 0.3255

RGB percentages71%, 15.7%, 32.5%

HSLhsl(341.7, 63.8%, 43.3%)

HSV / HSBhsv(341.7, 77.9%, 71%)

CMYK0%, 77.9%, 54.1%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,872,339

CSS custom property--colour: #B52853;

Brightness & contrast

Relative luminance0.11966WCAG 2.x, 0 is black and 1 is white

Perceived brightness107.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.19:1

Contrast with white6.19:1WCAG normal text: AA

Contrast with black3.39:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#4AD7AC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4D4F54no red cones; affects about 1% of men; ΔE 59.4 from the original

Deuteranopia#726B50no green cones; the most common form, about 1% of men; ΔE 60 from the original

Tritanopia#C6003Bno blue cones; rare, and affects men and women equally; ΔE 19.2 from the original

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

Contrast with white, large text6.19:1WCAG large text: AAA

Contrast with black, large text3.39:1WCAG large text: AA

Named colours

Indian red · ΔE 21.3 Brown · ΔE 22.1 Pale violetred · ΔE 24.9 Crimson · ΔE 27.5 Firebrick · ΔE 27.5 Medium violet red · ΔE 28.9

Nearest named CSS colourIndian red (#CD5C5C)ΔE 21.32, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#28B58A

Analogous#B5289A, #B54328

Triadic#53B528, #2853B5

Split complementary#28B543, #289AB5

Tetradic#9AB528, #28B58A, #4328B5

Tints, shades & saturation

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

Lighter +40%#F0B9CA

Lighter +30%#E690AA

Lighter +20%#DD668A

Lighter +10%#D43C6A

Darker −10%#8B1F40

Darker −20%#61162D

Darker −30%#380C1A

Darker −40%#0E0306

More saturated +25%#D10C48

Less saturated −25%#99445E

Channel breakdown

R181

G40

B83

Red181 (71%)

Green40 (15.7%)

Blue83 (32.5%)

Hue341.7°

Saturation (HSL)63.8%

Lightness43.33%

Dominant channelRed

Hex per channelR B5 · G 28 · B 53

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B52853 (chemical formula)

Formula
571,340.93 g/mol
52853 atoms

B52853 has a molar mass of 571,340.93 g/mol, made up of 52853 atoms across 1 element: 52853 × B.

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Molar mass

Molar mass571,340.93 g/mol

Total atoms per molecule52853

Distinct elements1

Mass of one molecule9.4873393 × 10^-19 g

Molecules per gram1.0540363 × 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 × 52853)571,340.93 g/mol, 100%

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Elements in this formula

Boron

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