Recognised as Colour

#B53456

#B53456
Red
Dark
Nearest: Indian red

#B53456 is a red with RGB values 181, 52, 86 and HSL 344°, 55%, 46%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B53456#B53456

HEX#B53456

RGBrgb(181, 52, 86)

RGB (0–1)0.7098, 0.2039, 0.3373

RGB percentages71%, 20.4%, 33.7%

HSLhsl(344.2, 55.4%, 45.7%)

HSV / HSBhsv(344.2, 71.3%, 71%)

CMYK0%, 71.3%, 52.5%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,875,414

CSS custom property--colour: #B53456;

Brightness & contrast

Relative luminance0.12952WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.85:1

Contrast with white5.85:1WCAG normal text: AA

Contrast with black3.59:1WCAG normal text: Fail

Greyscale equivalent#525252

Inverted#4ACBA9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#535457no red cones; affects about 1% of men; ΔE 55.4 from the original

Deuteranopia#756E53no green cones; the most common form, about 1% of men; ΔE 56.2 from the original

Tritanopia#C51942no blue cones; rare, and affects men and women equally; ΔE 16.9 from the original

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

Contrast with white, large text5.85:1WCAG large text: AAA

Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Indian red · ΔE 18.2 Brown · ΔE 21.1 Pale violetred · ΔE 22.2 Firebrick · ΔE 27.4 Light coral · ΔE 27.5 Crimson · ΔE 29

Nearest named CSS colourIndian red (#CD5C5C)ΔE 18.17, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#34B593

Analogous#B53497, #B55334

Triadic#56B534, #3456B5

Split complementary#34B553, #3497B5

Tetradic#96B534, #34B593, #5234B5

Tints, shades & saturation

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

Lighter +40%#EFC6D1

Lighter +30%#E39FB1

Lighter +20%#D87791

Lighter +10%#CD4F70

Darker −10%#8D2943

Darker −20%#661D30

Darker −30%#3E121E

Darker −40%#17060B

More saturated +25%#D21748

Less saturated −25%#985164

Channel breakdown

R181

G52

B86

Red181 (71%)

Green52 (20.4%)

Blue86 (33.7%)

Hue344.19°

Saturation (HSL)55.36%

Lightness45.69%

Dominant channelRed

Hex per channelR B5 · G 34 · B 56

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B53456 (chemical formula)

Formula
577,859.36 g/mol
53456 atoms

B53456 has a molar mass of 577,859.36 g/mol, made up of 53456 atoms across 1 element: 53456 × B.

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Molar mass

Molar mass577,859.36 g/mol

Total atoms per molecule53456

Distinct elements1

Mass of one molecule9.5955804 × 10^-19 g

Molecules per gram1.0421464 × 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 × 53456)577,859.36 g/mol, 100%

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Elements in this formula

Boron

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