Recognised as Colour

#B15256

#B15256
Red
Dark
Nearest: Indian red

#B15256 is a red with RGB values 177, 82, 86 and HSL 357°, 38%, 51%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B15256#B15256

HEX#B15256

RGBrgb(177, 82, 86)

RGB (0–1)0.6941, 0.3216, 0.3373

RGB percentages69.4%, 32.2%, 33.7%

HSLhsl(357.5, 37.8%, 50.8%)

HSV / HSBhsv(357.5, 53.7%, 69.4%)

CMYK0%, 53.7%, 51.4%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,620,950

CSS custom property--colour: #B15256;

Brightness & contrast

Relative luminance0.16054WCAG 2.x, 0 is black and 1 is white

Perceived brightness119 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.99:1

Contrast with white4.99:1WCAG normal text: AA

Contrast with black4.21:1WCAG normal text: Fail

Greyscale equivalent#666666

Inverted#4EADA9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#676356no red cones; affects about 1% of men; ΔE 41.1 from the original

Deuteranopia#7F7754no green cones; the most common form, about 1% of men; ΔE 42 from the original

Tritanopia#C04454no blue cones; rare, and affects men and women equally; ΔE 11.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text4.99:1WCAG large text: AAA

Contrast with black, large text4.21:1WCAG large text: AA

Named colours

Indian red · ΔE 10.3 Light coral · ΔE 19.7 Brown · ΔE 20.1 Sienna · ΔE 21.8 Pale violetred · ΔE 21.9 Salmon · ΔE 24.7

Nearest named CSS colourIndian red (#CD5C5C)ΔE 10.31, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#52B1AD

Analogous#B15286, #B17D52

Triadic#56B152, #5256B1

Split complementary#52B17D, #5286B1

Tetradic#86B152, #52B1AD, #7D52B1

Tints, shades & saturation

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

Lighter +40%#F0DFDF

Lighter +30%#E1BBBD

Lighter +20%#D1989B

Lighter +10%#C17578

Darker −10%#8F4144

Darker −20%#6C3133

Darker −30%#492123

Darker −40%#261112

More saturated +25%#D03339

Less saturated −25%#927173

Channel breakdown

R177

G82

B86

Red177 (69.4%)

Green82 (32.2%)

Blue86 (33.7%)

Hue357.47°

Saturation (HSL)37.85%

Lightness50.78%

Dominant channelRed

Hex per channelR B1 · G 52 · B 56

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B15256 (chemical formula)

Formula
164,917.36 g/mol
15256 atoms

B15256 has a molar mass of 164,917.36 g/mol, made up of 15256 atoms across 1 element: 15256 × B.

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Molar mass

Molar mass164,917.36 g/mol

Total atoms per molecule15256

Distinct elements1

Mass of one molecule2.7385172 × 10^-19 g

Molecules per gram3.6516112 × 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 × 15256)164,917.36 g/mol, 100%

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Elements in this formula

Boron

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