Recognised as Colour

#B74353

#B74353
Red
Dark
Nearest: Indian red

#B74353 is a red with RGB values 183, 67, 83 and HSL 352°, 46%, 49%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B74353#B74353

HEX#B74353

RGBrgb(183, 67, 83)

RGB (0–1)0.7176, 0.2627, 0.3255

RGB percentages71.8%, 26.3%, 32.5%

HSLhsl(351.7, 46.4%, 49%)

HSV / HSBhsv(351.7, 63.4%, 71.8%)

CMYK0%, 63.4%, 54.6%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,010,323

CSS custom property--colour: #B74353;

Brightness & contrast

Relative luminance0.14706WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.33:1

Contrast with white5.33:1WCAG normal text: AA

Contrast with black3.94:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#48BCAC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5C53no red cones; affects about 1% of men; ΔE 50.1 from the original

Deuteranopia#7C7450no green cones; the most common form, about 1% of men; ΔE 51.3 from the original

Tritanopia#C82F49no blue cones; rare, and affects men and women equally; ΔE 14 from the original

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

Contrast with white, large text5.33:1WCAG large text: AAA

Contrast with black, large text3.94:1WCAG large text: AA

Named colours

Indian red · ΔE 10.7 Brown · ΔE 16.6 Light coral · ΔE 21.9 Pale violetred · ΔE 22 Firebrick · ΔE 23.9 Salmon · ΔE 25.8

Nearest named CSS colourIndian red (#CD5C5C)ΔE 10.75, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#43B7A7

Analogous#B7438D, #B76D43

Triadic#53B743, #4353B7

Split complementary#43B76D, #438DB7

Tetradic#8DB743, #43B7A7, #6D43B7

Tints, shades & saturation

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

Lighter +40%#F0D6DA

Lighter +30%#E2B1B8

Lighter +20%#D58B95

Lighter +10%#C76673

Darker −10%#923542

Darker −20%#6C2831

Darker −30%#471A20

Darker −40%#220C0F

More saturated +25%#D6243C

Less saturated −25%#98626A

Channel breakdown

R183

G67

B83

Red183 (71.8%)

Green67 (26.3%)

Blue83 (32.5%)

Hue351.72°

Saturation (HSL)46.4%

Lightness49.02%

Dominant channelRed

Hex per channelR B7 · G 43 · B 53

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B74353 (chemical formula)

Formula
803,755.93 g/mol
74353 atoms

B74353 has a molar mass of 803,755.93 g/mol, made up of 74353 atoms across 1 element: 74353 × B.

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Molar mass

Molar mass803,755.93 g/mol

Total atoms per molecule74353

Distinct elements1

Mass of one molecule1.3346681 × 10^-18 g

Molecules per gram7.4924993 × 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 × 74353)803,755.93 g/mol, 100%

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Elements in this formula

Boron

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