Recognised as Colour

#C43424

#C43424
Red
Dark
Nearest: Firebrick

#C43424 is a red with RGB values 196, 52, 36 and HSL 6°, 69%, 45%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C43424#C43424

HEX#C43424

RGBrgb(196, 52, 36)

RGB (0–1)0.7686, 0.2039, 0.1412

RGB percentages76.9%, 20.4%, 14.1%

HSLhsl(6, 69%, 45.5%)

HSV / HSBhsv(6, 81.6%, 76.9%)

CMYK0%, 73.5%, 81.6%, 23.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,858,404

CSS custom property--colour: #C43424;

Brightness & contrast

Relative luminance0.14319WCAG 2.x, 0 is black and 1 is white

Perceived brightness115 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.44:1

Contrast with white5.44:1WCAG normal text: AA

Contrast with black3.86:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#3BCBDB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605620no red cones; affects about 1% of men; ΔE 60.7 from the original

Deuteranopia#83751Dno green cones; the most common form, about 1% of men; ΔE 60.7 from the original

Tritanopia#D80032no blue cones; rare, and affects men and women equally; ΔE 16.8 from the original

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

Contrast with white, large text5.44:1WCAG large text: AAA

Contrast with black, large text3.86:1WCAG large text: AA

Named colours

Firebrick · ΔE 7.9 Brown · ΔE 15.8 Dark red · ΔE 17.4 Tomato · ΔE 17.9 Crimson · ΔE 18.1 Maroon · ΔE 21.3

Nearest named CSS colourFirebrick (#B22222)ΔE 7.89, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#24B4C4

Analogous#C42464, #C48424

Triadic#24C434, #3424C4

Split complementary#24C484, #2464C4

Tetradic#64C424, #24B4C4, #8424C4

Tints, shades & saturation

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

Lighter +40%#F4C6C0

Lighter +30%#EC9E95

Lighter +20%#E4766A

Lighter +10%#DC4F3F

Darker −10%#99291C

Darker −20%#6E1D14

Darker −30%#43120C

Darker −40%#180604

More saturated +25%#E11D07

Less saturated −25%#A74B41

Channel breakdown

R196

G52

B36

Red196 (76.9%)

Green52 (20.4%)

Blue36 (14.1%)

Hue6°

Saturation (HSL)68.97%

Lightness45.49%

Dominant channelRed

Hex per channelR C4 · G 34 · B 24

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C43424 (chemical formula)

Formula
521,565.664 g/mol
43424 atoms

C43424 has a molar mass of 521,565.664 g/mol, made up of 43424 atoms across 1 element: 43424 × C.

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Molar mass

Molar mass521,565.664 g/mol

Total atoms per molecule43424

Distinct elements1

Mass of one molecule8.6608016 × 10^-19 g

Molecules per gram1.1546275 × 10^18

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 × 43424)521,565.664 g/mol, 100%

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Elements in this formula

Carbon

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