Recognised as Colour

#B55266

#B55266
Red
Dark
Nearest: Indian red

#B55266 is a red with RGB values 181, 82, 102 and HSL 348°, 40%, 52%. 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

#B55266#B55266

HEX#B55266

RGBrgb(181, 82, 102)

RGB (0–1)0.7098, 0.3216, 0.4

RGB percentages71%, 32.2%, 40%

HSLhsl(347.9, 40.1%, 51.6%)

HSV / HSBhsv(347.9, 54.7%, 71%)

CMYK0%, 54.7%, 43.6%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,883,110

CSS custom property--colour: #B55266;

Brightness & contrast

Relative luminance0.16818WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.2 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 black4.36:1WCAG normal text: Fail

Greyscale equivalent#686868

Inverted#4AAD99

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#666666no red cones; affects about 1% of men; ΔE 43.2 from the original

Deuteranopia#7F7964no green cones; the most common form, about 1% of men; ΔE 43.8 from the original

Tritanopia#C44659no blue cones; rare, and affects men and women equally; ΔE 12.6 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 text4.36:1WCAG large text: AA

Named colours

Indian red · ΔE 15.2 Pale violetred · ΔE 15.2 Light coral · ΔE 21.4 Brown · ΔE 25.8 Salmon · ΔE 28.6 Rosy brown · ΔE 29.6

Nearest named CSS colourIndian red (#CD5C5C)ΔE 15.16, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#52B5A1

Analogous#B55298, #B57052

Triadic#66B552, #5266B5

Split complementary#52B570, #5298B5

Tetradic#98B552, #52B5A1, #6F52B5

Tints, shades & saturation

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

Lighter +40%#F2E1E4

Lighter +30%#E3BDC5

Lighter +20%#D499A5

Lighter +10%#C47686

Darker −10%#944051

Darker −20%#71303D

Darker −30%#4D212A

Darker −40%#291216

More saturated +25%#D43354

Less saturated −25%#967178

Channel breakdown

R181

G82

B102

Red181 (71%)

Green82 (32.2%)

Blue102 (40%)

Hue347.88°

Saturation (HSL)40.08%

Lightness51.57%

Dominant channelRed

Hex per channelR B5 · G 52 · B 66

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B55266 (chemical formula)

Formula
597,425.46 g/mol
55266 atoms

B55266 has a molar mass of 597,425.46 g/mol, made up of 55266 atoms across 1 element: 55266 × B.

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Molar mass

Molar mass597,425.46 g/mol

Total atoms per molecule55266

Distinct elements1

Mass of one molecule9.9204832 × 10^-19 g

Molecules per gram1.0080154 × 10^18

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 × 55266)597,425.46 g/mol, 100%

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Elements in this formula

Boron

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