Recognised as Colour

#C42C4C

#C42C4C
Red
Dark
Nearest: Brown

#C42C4C is a red with RGB values 196, 44, 76 and HSL 347°, 63%, 47%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#C42C4C#C42C4C

HEX#C42C4C

RGBrgb(196, 44, 76)

RGB (0–1)0.7686, 0.1725, 0.298

RGB percentages76.9%, 17.3%, 29.8%

HSLhsl(347.4, 63.3%, 47.1%)

HSV / HSBhsv(347.4, 77.6%, 76.9%)

CMYK0%, 77.6%, 61.2%, 23.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,856,396

CSS custom property--colour: #C42C4C;

Brightness & contrast

Relative luminance0.14059WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.51:1

Contrast with white5.51:1WCAG normal text: AA

Contrast with black3.81:1WCAG normal text: Fail

Greyscale equivalent#4F4F4F

Inverted#3BD3B3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#57554Cno red cones; affects about 1% of men; ΔE 63.3 from the original

Deuteranopia#7E7448no green cones; the most common form, about 1% of men; ΔE 63.6 from the original

Tritanopia#D7003Ano blue cones; rare, and affects men and women equally; ΔE 17.3 from the original

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

Contrast with white, large text5.51:1WCAG large text: AAA

Contrast with black, large text3.81:1WCAG large text: AA

Named colours

Brown · ΔE 16.8 Crimson · ΔE 18 Indian red · ΔE 18.1 Firebrick · ΔE 19.4 Light coral · ΔE 27.9 Dark red · ΔE 28.8

Nearest named CSS colourBrown (#A52A2A)ΔE 16.76, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2CC4A4

Analogous#C42C98, #C4582C

Triadic#4CC42C, #2C4CC4

Split complementary#2CC458, #2C98C4

Tetradic#98C42C, #2CC4A4, #582CC4

Tints, shades & saturation

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

Lighter +40%#F3C9D2

Lighter +30%#EA9FAF

Lighter +20%#E0768C

Lighter +10%#D74C69

Darker −10%#9A233C

Darker −20%#71192C

Darker −30%#47101C

Darker −40%#1D070B

More saturated +25%#E20E3B

Less saturated −25%#A64A5D

Channel breakdown

R196

G44

B76

Red196 (76.9%)

Green44 (17.3%)

Blue76 (29.8%)

Hue347.37°

Saturation (HSL)63.33%

Lightness47.06%

Dominant channelRed

Hex per channelR C4 · G 2C · B 4C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C42C4C (chemical formula)

Formula
564.517 g/mol
47 atoms

C42C4C has a molar mass of 564.517 g/mol, made up of 47 atoms across 1 element: 47 × C.

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Molar mass

Molar mass564.517 g/mol

Total atoms per molecule47

Distinct elements1

Mass of one molecule9.3740253 × 10^-22 g

Molecules per gram1.0667776 × 10^21

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

C100%

Carbon (C × 47)564.517 g/mol, 100%

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Elements in this formula

Carbon

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