Recognised as Colour

#B28488

#B28488
Red
Dark
Nearest: Rosy brown

#B28488 is a red with RGB values 178, 132, 136 and HSL 355°, 23%, 61%. 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

#B28488#B28488

HEX#B28488

RGBrgb(178, 132, 136)

RGB (0–1)0.698, 0.5176, 0.5333

RGB percentages69.8%, 51.8%, 53.3%

HSLhsl(354.8, 23%, 60.8%)

HSV / HSBhsv(354.8, 25.8%, 69.8%)

CMYK0%, 25.8%, 23.6%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,699,336

CSS custom property--colour: #B28488;

Brightness & contrast

Relative luminance0.27745WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.55:1

Contrast with white3.21:1WCAG normal text: Fail

Contrast with black6.55:1WCAG normal text: AA

Greyscale equivalent#8E8E8E

Inverted#4D7B77

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8C8B88no red cones; affects about 1% of men; ΔE 18.8 from the original

Deuteranopia#969387no green cones; the most common form, about 1% of men; ΔE 19.5 from the original

Tritanopia#BB8085no blue cones; rare, and affects men and women equally; ΔE 5.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.21:1WCAG large text: AA

Contrast with black, large text6.55:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 4.5 Gray · ΔE 19.8 Dark grey · ΔE 21.2 Light pink · ΔE 23.5 Dim grey · ΔE 24.3 Pink · ΔE 24.7

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 4.53, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#84B2AE

Analogous#B2849F, #B29784

Triadic#88B284, #8488B2

Split complementary#84B297, #849FB2

Tetradic#9FB284, #84B2AE, #9784B2

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#EDE2E3

Lighter +20%#D9C3C5

Lighter +10%#C6A3A6

Darker −10%#9E656A

Darker −20%#805054

Darker −30%#613C40

Darker −40%#41292B

More saturated +25%#CB6B73

Less saturated −25%#9B9B9B

Channel breakdown

R178

G132

B136

Red178 (69.8%)

Green132 (51.8%)

Blue136 (53.3%)

Hue354.78°

Saturation (HSL)23%

Lightness60.78%

Dominant channelRed

Hex per channelR B2 · G 84 · B 88

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B28488 (chemical formula)

Formula
307,955.28 g/mol
28488 atoms

B28488 has a molar mass of 307,955.28 g/mol, made up of 28488 atoms across 1 element: 28488 × B.

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Molar mass

Molar mass307,955.28 g/mol

Total atoms per molecule28488

Distinct elements1

Mass of one molecule5.1137177 × 10^-19 g

Molecules per gram1.9555244 × 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 × 28488)307,955.28 g/mol, 100%

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Elements in this formula

Boron

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