Recognised as Colour

#CB3768

#CB3768
Red
Dark
Nearest: Pale violetred

#CB3768 is a red with RGB values 203, 55, 104 and HSL 340°, 59%, 51%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Pale violetred.

Colour values

#CB3768#CB3768

HEX#CB3768

RGBrgb(203, 55, 104)

RGB (0–1)0.7961, 0.2157, 0.4078

RGB percentages79.6%, 21.6%, 40.8%

HSLhsl(340.1, 58.7%, 50.6%)

HSV / HSBhsv(340.1, 72.9%, 79.6%)

CMYK0%, 72.9%, 48.8%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,317,992

CSS custom property--colour: #CB3768;

Brightness & contrast

Relative luminance0.16428WCAG 2.x, 0 is black and 1 is white

Perceived brightness123.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.9:1

Contrast with white4.9:1WCAG normal text: AA

Contrast with black4.29:1WCAG normal text: Fail

Greyscale equivalent#5A5A5A

Inverted#34C897

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5A5E69no red cones; affects about 1% of men; ΔE 61.8 from the original

Deuteranopia#817B64no green cones; the most common form, about 1% of men; ΔE 63 from the original

Tritanopia#DD184Bno 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 text4.9:1WCAG large text: AAA

Contrast with black, large text4.29:1WCAG large text: AA

Named colours

Pale violetred · ΔE 21.1 Indian red · ΔE 22.9 Medium violet red · ΔE 24.4 Hot pink · ΔE 25.3 Brown · ΔE 28.1 Deep pink · ΔE 28.1

Nearest named CSS colourPale violetred (#DB7093)ΔE 21.06, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#37CB9A

Analogous#CB37B2, #CB5037

Triadic#68CB37, #3768CB

Split complementary#37CB50, #37B2CB

Tetradic#B2CB37, #37CB9A, #5037CB

Tints, shades & saturation

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

Lighter +40%#F5D9E2

Lighter +30%#EBB0C4

Lighter +20%#E088A5

Lighter +10%#D65F87

Darker −10%#A42B53

Darker −20%#7C203F

Darker −30%#53162A

Darker −40%#2B0B16

More saturated +25%#EB185D

Less saturated −25%#AB5773

Channel breakdown

R203

G55

B104

Red203 (79.6%)

Green55 (21.6%)

Blue104 (40.8%)

Hue340.14°

Saturation (HSL)58.73%

Lightness50.59%

Dominant channelRed

Hex per channelR CB · G 37 · B 68

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB3768 (chemical formula)

Formula
40,744.091 g/mol
3769 atoms

CB3768 has a molar mass of 40,744.091 g/mol, made up of 3769 atoms across 2 elements: 1 × C, 3768 × B.

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Molar mass

Molar mass40,744.091 g/mol

Total atoms per molecule3769

Distinct elements2

Mass of one molecule6.7657155 × 10^-20 g

Molecules per gram1.4780403 × 10^19

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

C0%

B100%

Carbon (C)12.011 g/mol, 0.029%

Boron (B × 3768)40,732.08 g/mol, 99.971%

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