Recognised as Colour

#B42B63

#B42B63
Red
Dark
Nearest: Medium violet red

#B42B63 is a red with RGB values 180, 43, 99 and HSL 335°, 61%, 44%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#B42B63#B42B63

HEX#B42B63

RGBrgb(180, 43, 99)

RGB (0–1)0.7059, 0.1686, 0.3882

RGB percentages70.6%, 16.9%, 38.8%

HSLhsl(335.5, 61.4%, 43.7%)

HSV / HSBhsv(335.5, 76.1%, 70.6%)

CMYK0%, 76.1%, 45%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,807,587

CSS custom property--colour: #B42B63;

Brightness & contrast

Relative luminance0.12332WCAG 2.x, 0 is black and 1 is white

Perceived brightness109 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.06:1

Contrast with white6.06:1WCAG normal text: AA

Contrast with black3.47:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#4BD49C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A5264no red cones; affects about 1% of men; ΔE 58.3 from the original

Deuteranopia#6F6C60no green cones; the most common form, about 1% of men; ΔE 59.4 from the original

Tritanopia#C41043no blue cones; rare, and affects men and women equally; ΔE 22.5 from the original

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

Contrast with white, large text6.06:1WCAG large text: AAA

Contrast with black, large text3.47:1WCAG large text: AA

Named colours

Medium violet red · ΔE 21.1 Pale violetred · ΔE 22.5 Hot pink · ΔE 27.2 Indian red · ΔE 27.4 Brown · ΔE 30.9 Deep pink · ΔE 31

Nearest named CSS colourMedium violet red (#C71585)ΔE 21.08, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2BB47C

Analogous#B42BA8, #B4372B

Triadic#63B42B, #2B63B4

Split complementary#2BB438, #2BA8B4

Tetradic#A8B42B, #2BB47C, #372BB4

Tints, shades & saturation

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

Lighter +40%#EFBCD1

Lighter +30%#E593B4

Lighter +20%#DB6A98

Lighter +10%#D1417C

Darker −10%#8B214C

Darker −20%#621736

Darker −30%#390D1F

Darker −40%#0F0408

More saturated +25%#D00F5E

Less saturated −25%#984768

Channel breakdown

R180

G43

B99

Red180 (70.6%)

Green43 (16.9%)

Blue99 (38.8%)

Hue335.47°

Saturation (HSL)61.43%

Lightness43.73%

Dominant channelRed

Hex per channelR B4 · G 2B · B 63

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B42B63 (chemical formula)

Formula
1,135.05 g/mol
105 atoms

B42B63 has a molar mass of 1,135.05 g/mol, made up of 105 atoms across 1 element: 105 × B.

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Molar mass

Molar mass1,135.05 g/mol

Total atoms per molecule105

Distinct elements1

Mass of one molecule1.8847949 × 10^-21 g

Molecules per gram5.3056172 × 10^20

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 × 105)1,135.05 g/mol, 100%

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Elements in this formula

Boron

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