Recognised as Colour

#B75445

#B75445
Red
Dark
Nearest: Indian red

#B75445 is a red with RGB values 183, 84, 69 and HSL 8°, 45%, 49%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B75445#B75445

HEX#B75445

RGBrgb(183, 84, 69)

RGB (0–1)0.7176, 0.3294, 0.2706

RGB percentages71.8%, 32.9%, 27.1%

HSLhsl(7.9, 45.2%, 49.4%)

HSV / HSBhsv(7.9, 62.3%, 71.8%)

CMYK0%, 54.1%, 62.3%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,014,661

CSS custom property--colour: #B75445;

Brightness & contrast

Relative luminance0.16838WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.81:1

Contrast with white4.81:1WCAG normal text: AA

Contrast with black4.37:1WCAG normal text: Fail

Greyscale equivalent#686868

Inverted#48ABBA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D6543no red cones; affects about 1% of men; ΔE 42.4 from the original

Deuteranopia#867A43no green cones; the most common form, about 1% of men; ΔE 42.5 from the original

Tritanopia#C84251no blue cones; rare, and affects men and women equally; ΔE 16.5 from the original

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

Contrast with white, large text4.81:1WCAG large text: AAA

Contrast with black, large text4.37:1WCAG large text: AA

Named colours

Indian red · ΔE 9.9 Sienna · ΔE 13 Brown · ΔE 15.3 Salmon · ΔE 20.2 Light coral · ΔE 20.3 Saddle brown · ΔE 20.9

Nearest named CSS colourIndian red (#CD5C5C)ΔE 9.9, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#45A8B7

Analogous#B7456F, #B78D45

Triadic#45B754, #5445B7

Split complementary#45B78D, #456FB7

Tetradic#6FB745, #45A8B7, #8D45B7

Tints, shades & saturation

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

Lighter +40%#F0DBD8

Lighter +30%#E2B9B3

Lighter +20%#D4978E

Lighter +10%#C67569

Darker −10%#924337

Darker −20%#6D3229

Darker −30%#48211B

Darker −40%#23100D

More saturated +25%#D73D25

Less saturated −25%#986B65

Channel breakdown

R183

G84

B69

Red183 (71.8%)

Green84 (32.9%)

Blue69 (27.1%)

Hue7.89°

Saturation (HSL)45.24%

Lightness49.41%

Dominant channelRed

Hex per channelR B7 · G 54 · B 45

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B75445 (chemical formula)

Formula
815,560.45 g/mol
75445 atoms

B75445 has a molar mass of 815,560.45 g/mol, made up of 75445 atoms across 1 element: 75445 × B.

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Molar mass

Molar mass815,560.45 g/mol

Total atoms per molecule75445

Distinct elements1

Mass of one molecule1.35427 × 10^-18 g

Molecules per gram7.384052 × 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 × 75445)815,560.45 g/mol, 100%

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Elements in this formula

Boron

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