Recognised as Colour

#CB3869

#CB3869
Red
Dark
Nearest: Pale violetred

#CB3869 is a red with RGB values 203, 56, 105 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

#CB3869#CB3869

HEX#CB3869

RGBrgb(203, 56, 105)

RGB (0–1)0.7961, 0.2196, 0.4118

RGB percentages79.6%, 22%, 41.2%

HSLhsl(340, 58.6%, 50.8%)

HSV / HSBhsv(340, 72.4%, 79.6%)

CMYK0%, 72.4%, 48.3%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,318,249

CSS custom property--colour: #CB3869;

Brightness & contrast

Relative luminance0.16545WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.87:1

Contrast with white4.87:1WCAG normal text: AA

Contrast with black4.31:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#34C796

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B5F6Ano red cones; affects about 1% of men; ΔE 61.5 from the original

Deuteranopia#817C66no green cones; the most common form, about 1% of men; ΔE 63 from the original

Tritanopia#DD1B4Cno blue cones; rare, and affects men and women equally; ΔE 21.2 from the original

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

Contrast with white, large text4.87:1WCAG large text: AAA

Contrast with black, large text4.31:1WCAG large text: AA

Named colours

Pale violetred · ΔE 20.7 Indian red · ΔE 22.9 Medium violet red · ΔE 24.1 Hot pink · ΔE 24.9 Deep pink · ΔE 28.1 Brown · ΔE 28.3

Nearest named CSS colourPale violetred (#DB7093)ΔE 20.66, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#38CB9A

Analogous#CB38B2, #CB5138

Triadic#69CB38, #3869CB

Split complementary#38CB50, #38B3CB

Tetradic#B3CB38, #38CB9A, #5138CB

Tints, shades & saturation

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

Lighter +40%#F5DAE3

Lighter +30%#EBB1C4

Lighter +20%#E089A6

Lighter +10%#D66087

Darker −10%#A52B54

Darker −20%#7C213F

Darker −30%#54162B

Darker −40%#2C0B16

More saturated +25%#EA195F

Less saturated −25%#AC5773

Channel breakdown

R203

G56

B105

Red203 (79.6%)

Green56 (22%)

Blue105 (41.2%)

Hue340°

Saturation (HSL)58.57%

Lightness50.78%

Dominant channelRed

Hex per channelR CB · G 38 · B 69

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB3869 (chemical formula)

Formula
41,835.901 g/mol
3870 atoms

CB3869 has a molar mass of 41,835.901 g/mol, made up of 3870 atoms across 2 elements: 1 × C, 3869 × B.

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Molar mass

Molar mass41,835.901 g/mol

Total atoms per molecule3870

Distinct elements2

Mass of one molecule6.9470148 × 10^-20 g

Molecules per gram1.4394672 × 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 × 3869)41,823.89 g/mol, 99.971%

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