Recognised as Colour

#B22656

#B22656
Red
Dark
Nearest: Indian red

#B22656 is a red with RGB values 178, 38, 86 and HSL 339°, 65%, 42%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B22656#B22656

HEX#B22656

RGBrgb(178, 38, 86)

RGB (0–1)0.698, 0.149, 0.3373

RGB percentages69.8%, 14.9%, 33.7%

HSLhsl(339.4, 64.8%, 42.4%)

HSV / HSBhsv(339.4, 78.7%, 69.8%)

CMYK0%, 78.7%, 51.7%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,675,222

CSS custom property--colour: #B22656;

Brightness & contrast

Relative luminance0.11523WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.35:1

Contrast with white6.35:1WCAG normal text: AA

Contrast with black3.3:1WCAG normal text: Fail

Greyscale equivalent#474747

Inverted#4DD9A9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A4E57no red cones; affects about 1% of men; ΔE 59.1 from the original

Deuteranopia#6F6953no green cones; the most common form, about 1% of men; ΔE 59.7 from the original

Tritanopia#C2003Bno blue cones; rare, and affects men and women equally; ΔE 20.3 from the original

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

Contrast with white, large text6.35:1WCAG large text: AAA

Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Indian red · ΔE 23.5 Pale violetred · ΔE 24.5 Brown · ΔE 24.8 Medium violet red · ΔE 26.5 Crimson · ΔE 30.2 Firebrick · ΔE 30.4

Nearest named CSS colourIndian red (#CD5C5C)ΔE 23.5, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#26B282

Analogous#B2269C, #B23C26

Triadic#56B226, #2656B2

Split complementary#26B23C, #269CB2

Tetradic#9CB226, #26B282, #3C26B2

Tints, shades & saturation

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

Lighter +40%#EFB5C9

Lighter +30%#E68BAA

Lighter +20%#DD618B

Lighter +10%#D4376D

Darker −10%#881D42

Darker −20%#5E142D

Darker −30%#340B19

Darker −40%#0A0205

More saturated +25%#CD0B4E

Less saturated −25%#97415E

Channel breakdown

R178

G38

B86

Red178 (69.8%)

Green38 (14.9%)

Blue86 (33.7%)

Hue339.43°

Saturation (HSL)64.81%

Lightness42.35%

Dominant channelRed

Hex per channelR B2 · G 26 · B 56

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B22656 (chemical formula)

Formula
244,911.36 g/mol
22656 atoms

B22656 has a molar mass of 244,911.36 g/mol, made up of 22656 atoms across 1 element: 22656 × B.

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Molar mass

Molar mass244,911.36 g/mol

Total atoms per molecule22656

Distinct elements1

Mass of one molecule4.0668488 × 10^-19 g

Molecules per gram2.4589063 × 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 × 22656)244,911.36 g/mol, 100%

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Elements in this formula

Boron

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