Recognised as Colour

#B2777C

#B2777C
Red
Dark
Nearest: Rosy brown

#B2777C is a red with RGB values 178, 119, 124 and HSL 355°, 28%, 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

#B2777C#B2777C

HEX#B2777C

RGBrgb(178, 119, 124)

RGB (0–1)0.698, 0.4667, 0.4863

RGB percentages69.8%, 46.7%, 48.6%

HSLhsl(354.9, 27.7%, 58.2%)

HSV / HSBhsv(354.9, 33.1%, 69.8%)

CMYK0%, 33.1%, 30.3%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,695,996

CSS custom property--colour: #B2777C;

Brightness & contrast

Relative luminance0.24114WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.82:1

Contrast with white3.61:1WCAG normal text: Fail

Contrast with black5.82:1WCAG normal text: AA

Greyscale equivalent#848484

Inverted#4D8883

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#81807Cno red cones; affects about 1% of men; ΔE 24.8 from the original

Deuteranopia#8F8B7Bno green cones; the most common form, about 1% of men; ΔE 25.4 from the original

Tritanopia#BD7179no blue cones; rare, and affects men and women equally; ΔE 7.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.61:1WCAG large text: AA

Contrast with black, large text5.82:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 10.1 Pale violetred · ΔE 23 Gray · ΔE 24.9 Light coral · ΔE 25 Light pink · ΔE 25.3 Dark salmon · ΔE 25.4

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 10.05, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#77B2AD

Analogous#B2779A, #B28F77

Triadic#7CB277, #777CB2

Split complementary#77B290, #779AB2

Tetradic#99B277, #77B2AD, #8F77B2

Tints, shades & saturation

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

Lighter +40%#FCF9F9

Lighter +30%#E9D9DA

Lighter +20%#D7B8BB

Lighter +10%#C4989B

Darker −10%#9D595F

Darker −20%#7D464B

Darker −30%#5C3437

Darker −40%#3B2224

More saturated +25%#CD5C66

Less saturated −25%#979292

Channel breakdown

R178

G119

B124

Red178 (69.8%)

Green119 (46.7%)

Blue124 (48.6%)

Hue354.92°

Saturation (HSL)27.7%

Lightness58.24%

Dominant channelRed

Hex per channelR B2 · G 77 · B 7C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B2777C (chemical formula)

Formula
30,031.381 g/mol
2778 atoms

B2777C has a molar mass of 30,031.381 g/mol, made up of 2778 atoms across 2 elements: 2777 × B, 1 × C.

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Molar mass

Molar mass30,031.381 g/mol

Total atoms per molecule2778

Distinct elements2

Mass of one molecule4.9868281 × 10^-20 g

Molecules per gram2.0052827 × 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%

C0%

Boron (B × 2777)30,019.37 g/mol, 99.96%

Carbon (C)12.011 g/mol, 0.04%

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