Colour

#B17779

#B17779
Red
Dark
Nearest: Rosy brown

#B17779 is a red with RGB values 177, 119, 121 and HSL 358°, 27%, 58%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#B17779#B17779

HEX#B17779

RGBrgb(177, 119, 121)

RGB (0–1)0.6941, 0.4667, 0.4745

RGB percentages69.4%, 46.7%, 47.5%

HSLhsl(357.9, 27.1%, 58%)

HSV / HSBhsv(357.9, 32.8%, 69.4%)

CMYK0%, 32.8%, 31.6%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,630,457

CSS custom property--colour: #B17779;

Brightness & contrast

Relative luminance0.23921WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.78:1

Contrast with white3.63:1WCAG normal text: Fail

Contrast with black5.78:1WCAG normal text: AA

Greyscale equivalent#838383

Inverted#4E8886

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#828079no red cones; affects about 1% of men; ΔE 24.1 from the original

Deuteranopia#8F8B78no green cones; the most common form, about 1% of men; ΔE 25.1 from the original

Tritanopia#BC7178no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.63:1WCAG large text: AA

Contrast with black, large text5.78:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 9.8 Pale violetred · ΔE 24.3 Dark salmon · ΔE 24.5 Gray · ΔE 24.6 Light coral · ΔE 25 Light pink · ΔE 25.7

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 9.81, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#77B1AF

Analogous#B17796, #B19277

Triadic#79B177, #7779B1

Split complementary#77B192, #7796B1

Tetradic#96B177, #77B1AF, #9277B1

Tints, shades & saturation

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

Lighter +40%#FBF9F9

Lighter +30%#E9D8D9

Lighter +20%#D6B8B9

Lighter +10%#C49799

Darker −10%#9C595C

Darker −20%#7B4749

Darker −30%#5B3435

Darker −40%#3A2222

More saturated +25%#CC5C60

Less saturated −25%#969292

Channel breakdown

R177

G119

B121

Red177 (69.4%)

Green119 (46.7%)

Blue121 (47.5%)

Hue357.93°

Saturation (HSL)27.1%

Lightness58.04%

Dominant channelRed

Hex per channelR B1 · G 77 · B 79

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B17779 (chemical formula)

Formula
192,190.99 g/mol
17779 atoms

B17779 has a molar mass of 192,190.99 g/mol, made up of 17779 atoms across 1 element: 17779 × B.

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Molar mass

Molar mass192,190.99 g/mol

Total atoms per molecule17779

Distinct elements1

Mass of one molecule3.1914065 × 10^-19 g

Molecules per gram3.1334147 × 10^18

Composition by mass

B100%

Boron (B × 17779)192,190.99 g/mol, 100%

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Elements in this formula

Boron

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