Recognised as Colour

#BB5349

#BB5349
Red
Dark
Nearest: Indian red

#BB5349 is a red with RGB values 187, 83, 73 and HSL 5°, 46%, 51%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#BB5349#BB5349

HEX#BB5349

RGBrgb(187, 83, 73)

RGB (0–1)0.7333, 0.3255, 0.2863

RGB percentages73.3%, 32.5%, 28.6%

HSLhsl(5.3, 45.6%, 51%)

HSV / HSBhsv(5.3, 61%, 73.3%)

CMYK0%, 55.6%, 61%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,276,553

CSS custom property--colour: #BB5349;

Brightness & contrast

Relative luminance0.17232WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.72:1

Contrast with white4.72:1WCAG normal text: AA

Contrast with black4.45:1WCAG normal text: Fail

Greyscale equivalent#686868

Inverted#44ACB6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D6648no red cones; affects about 1% of men; ΔE 44.7 from the original

Deuteranopia#877C47no green cones; the most common form, about 1% of men; ΔE 45.1 from the original

Tritanopia#CC4051no 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 text4.72:1WCAG large text: AAA

Contrast with black, large text4.45:1WCAG large text: AA

Named colours

Indian red · ΔE 7.4 Brown · ΔE 14.5 Sienna · ΔE 15.8 Light coral · ΔE 19 Salmon · ΔE 19.3 Firebrick · ΔE 20.8

Nearest named CSS colourIndian red (#CD5C5C)ΔE 7.42, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#49B1BB

Analogous#BB4978, #BB8C49

Triadic#49BB53, #5349BB

Split complementary#49BB8C, #4978BB

Tetradic#78BB49, #49B1BB, #8C49BB

Tints, shades & saturation

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

Lighter +40%#F2DFDE

Lighter +30%#E5BCB8

Lighter +20%#D79993

Lighter +10%#C9766E

Darker −10%#984139

Darker −20%#73312B

Darker −30%#4E211D

Darker −40%#29110F

More saturated +25%#DA392A

Less saturated −25%#9C6D68

Channel breakdown

R187

G83

B73

Red187 (73.3%)

Green83 (32.5%)

Blue73 (28.6%)

Hue5.26°

Saturation (HSL)45.6%

Lightness50.98%

Dominant channelRed

Hex per channelR BB · G 53 · B 49

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB5349 (chemical formula)

Formula
57,833.5 g/mol
5350 atoms

BB5349 has a molar mass of 57,833.5 g/mol, made up of 5350 atoms across 1 element: 5350 × B.

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Molar mass

Molar mass57,833.5 g/mol

Total atoms per molecule5350

Distinct elements1

Mass of one molecule9.6034786 × 10^-20 g

Molecules per gram1.0412893 × 10^19

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 × 5350)57,833.5 g/mol, 100%

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Elements in this formula

Boron

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