Recognised as Colour

#CB4F63

#CB4F63
Red
Dark
Nearest: Indian red

#CB4F63 is a red with RGB values 203, 79, 99 and HSL 350°, 54%, 55%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#CB4F63#CB4F63

HEX#CB4F63

RGBrgb(203, 79, 99)

RGB (0–1)0.7961, 0.3098, 0.3882

RGB percentages79.6%, 31%, 38.8%

HSLhsl(350.3, 54.4%, 55.3%)

HSV / HSBhsv(350.3, 61.1%, 79.6%)

CMYK0%, 61.1%, 51.2%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,324,131

CSS custom property--colour: #CB4F63;

Brightness & contrast

Relative luminance0.19189WCAG 2.x, 0 is black and 1 is white

Perceived brightness130.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.84:1

Contrast with white4.34:1WCAG normal text: Fail

Contrast with black4.84:1WCAG normal text: AA

Greyscale equivalent#6B6B6B

Inverted#34B09C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B6963no red cones; affects about 1% of men; ΔE 52.8 from the original

Deuteranopia#8B8360no green cones; the most common form, about 1% of men; ΔE 53.9 from the original

Tritanopia#DD3B57no blue cones; rare, and affects men and women equally; ΔE 14.8 from the original

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

Contrast with white, large text4.34:1WCAG large text: AA

Contrast with black, large text4.84:1WCAG large text: AAA

Named colours

Indian red · ΔE 9.9 Light coral · ΔE 17.9 Pale violetred · ΔE 17.9 Brown · ΔE 20.9 Salmon · ΔE 22.6 Firebrick · ΔE 26.4

Nearest named CSS colourIndian red (#CD5C5C)ΔE 9.95, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4FCBB7

Analogous#CB4FA1, #CB794F

Triadic#63CB4F, #4F63CB

Split complementary#4FCB79, #4FA1CB

Tetradic#A1CB4F, #4FCBB7, #794FCB

Tints, shades & saturation

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

Lighter +40%#FAECEF

Lighter +30%#EEC5CC

Lighter +20%#E29EA9

Lighter +10%#D77686

Darker −10%#B23549

Darker −20%#8B2939

Darker −30%#641D29

Darker −40%#3C1219

More saturated +25%#E83350

Less saturated −25%#AF6C76

Channel breakdown

R203

G79

B99

Red203 (79.6%)

Green79 (31%)

Blue99 (38.8%)

Hue350.32°

Saturation (HSL)54.39%

Lightness55.29%

Dominant channelRed

Hex per channelR CB · G 4F · B 63

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB4F63 (chemical formula)

Formula
1,252.125 g/mol
68 atoms

CB4F63 has a molar mass of 1,252.125 g/mol, made up of 68 atoms across 3 elements: 1 × C, 4 × B, 63 × F.

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Molar mass

Molar mass1,252.125 g/mol

Total atoms per molecule68

Distinct elements3

Mass of one molecule2.0792025 × 10^-21 g

Molecules per gram4.8095364 × 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

C1%

B3.5%

F95.6%

Carbon (C)12.011 g/mol, 0.959%

Boron (B × 4)43.24 g/mol, 3.453%

Fluorine (F × 63)1,196.874 g/mol, 95.587%

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