Recognised as Colour

#B42355

#B42355
Red
Dark
Nearest: Indian red

#B42355 is a red with RGB values 180, 35, 85 and HSL 339°, 67%, 42%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B42355#B42355

HEX#B42355

RGBrgb(180, 35, 85)

RGB (0–1)0.7059, 0.1373, 0.3333

RGB percentages70.6%, 13.7%, 33.3%

HSLhsl(339.3, 67.4%, 42.2%)

HSV / HSBhsv(339.3, 80.6%, 70.6%)

CMYK0%, 80.6%, 52.8%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,805,525

CSS custom property--colour: #B42355;

Brightness & contrast

Relative luminance0.11561WCAG 2.x, 0 is black and 1 is white

Perceived brightness106 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.34:1

Contrast with white6.34:1WCAG normal text: AA

Contrast with black3.31:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#4BDCAA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A4D56no red cones; affects about 1% of men; ΔE 60.2 from the original

Deuteranopia#706A52no green cones; the most common form, about 1% of men; ΔE 61.3 from the original

Tritanopia#C50039no blue cones; rare, and affects men and women equally; ΔE 21.3 from the original

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

Contrast with white, large text6.34:1WCAG large text: AAA

Contrast with black, large text3.31:1WCAG large text: AA

Named colours

Indian red · ΔE 23.7 Brown · ΔE 24.5 Pale violetred · ΔE 25.3 Medium violet red · ΔE 26.5 Crimson · ΔE 28.9 Firebrick · ΔE 29.8

Nearest named CSS colourIndian red (#CD5C5C)ΔE 23.74, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#23B482

Analogous#B4239D, #B43A23

Triadic#55B423, #2355B4

Split complementary#23B43A, #239DB4

Tetradic#9DB423, #23B482, #3A23B4

Tints, shades & saturation

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

Lighter +40%#F0B3C8

Lighter +30%#E888A9

Lighter +20%#E05D8A

Lighter +10%#D7336B

Darker −10%#891B41

Darker −20%#5F122D

Darker −30%#340A19

Darker −40%#090204

More saturated +25%#CF084D

Less saturated −25%#993E5D

Channel breakdown

R180

G35

B85

Red180 (70.6%)

Green35 (13.7%)

Blue85 (33.3%)

Hue339.31°

Saturation (HSL)67.44%

Lightness42.16%

Dominant channelRed

Hex per channelR B4 · G 23 · B 55

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B42355 (chemical formula)

Formula
457,857.55 g/mol
42355 atoms

B42355 has a molar mass of 457,857.55 g/mol, made up of 42355 atoms across 1 element: 42355 × B.

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Molar mass

Molar mass457,857.55 g/mol

Total atoms per molecule42355

Distinct elements1

Mass of one molecule7.6029035 × 10^-19 g

Molecules per gram1.315287 × 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 × 42355)457,857.55 g/mol, 100%

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Elements in this formula

Boron

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