Recognised as Colour

#B58375

#B58375
Red
Dark
Nearest: Rosy brown

#B58375 is a red with RGB values 181, 131, 117 and HSL 13°, 30%, 58%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#B58375#B58375

HEX#B58375

RGBrgb(181, 131, 117)

RGB (0–1)0.7098, 0.5137, 0.4588

RGB percentages71%, 51.4%, 45.9%

HSLhsl(13.1, 30.2%, 58.4%)

HSV / HSBhsv(13.1, 35.4%, 71%)

CMYK0%, 27.6%, 35.4%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,895,669

CSS custom property--colour: #B58375;

Brightness & contrast

Relative luminance0.27341WCAG 2.x, 0 is black and 1 is white

Perceived brightness146.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.47:1

Contrast with white3.25:1WCAG normal text: Fail

Contrast with black6.47:1WCAG normal text: AA

Greyscale equivalent#8D8D8D

Inverted#4A7C8A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8F8974no red cones; affects about 1% of men; ΔE 19.2 from the original

Deuteranopia#9A9375no green cones; the most common form, about 1% of men; ΔE 20 from the original

Tritanopia#C17C7Fno blue cones; rare, and affects men and women equally; ΔE 11.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.25:1WCAG large text: AA

Contrast with black, large text6.47:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 9.6 Dark salmon · ΔE 19.6 Tan · ΔE 22 Gray · ΔE 23.7 Dark grey · ΔE 25.1 Burlywood · ΔE 25.3

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 9.6, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#75A7B5

Analogous#B57587, #B5A375

Triadic#75B583, #8375B5

Split complementary#75B5A3, #7587B5

Tetradic#87B575, #75A7B5, #A375B5

Tints, shades & saturation

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

Lighter +40%#FCFAFA

Lighter +30%#EADCD9

Lighter +20%#D9BFB7

Lighter +10%#C7A196

Darker −10%#A16756

Darker −20%#805144

Darker −30%#5E3C33

Darker −40%#3D2721

More saturated +25%#D0745B

Less saturated −25%#9B9290

Channel breakdown

R181

G131

B117

Red181 (71%)

Green131 (51.4%)

Blue117 (45.9%)

Hue13.12°

Saturation (HSL)30.19%

Lightness58.43%

Dominant channelRed

Hex per channelR B5 · G 83 · B 75

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B58375 (chemical formula)

Formula
631,033.75 g/mol
58375 atoms

B58375 has a molar mass of 631,033.75 g/mol, made up of 58375 atoms across 1 element: 58375 × B.

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Molar mass

Molar mass631,033.75 g/mol

Total atoms per molecule58375

Distinct elements1

Mass of one molecule1.0478562 × 10^-18 g

Molecules per gram9.5432943 × 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 × 58375)631,033.75 g/mol, 100%

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Elements in this formula

Boron

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