Recognised as Colour

#C43941

#C43941
Red
Dark
Nearest: Brown

#C43941 is a red with RGB values 196, 57, 65 and HSL 357°, 55%, 50%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#C43941#C43941

HEX#C43941

RGBrgb(196, 57, 65)

RGB (0–1)0.7686, 0.2235, 0.2549

RGB percentages76.9%, 22.4%, 25.5%

HSLhsl(356.5, 54.9%, 49.6%)

HSV / HSBhsv(356.5, 70.9%, 76.9%)

CMYK0%, 70.9%, 66.8%, 23.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,859,713

CSS custom property--colour: #C43941;

Brightness & contrast

Relative luminance0.15044WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.24:1

Contrast with white5.24:1WCAG normal text: AA

Contrast with black4.01:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#3BC6BE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605940no red cones; affects about 1% of men; ΔE 58.6 from the original

Deuteranopia#83773Dno green cones; the most common form, about 1% of men; ΔE 59.2 from the original

Tritanopia#D7093Dno blue cones; rare, and affects men and women equally; ΔE 16 from the original

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

Contrast with white, large text5.24:1WCAG large text: AAA

Contrast with black, large text4.01:1WCAG large text: AA

Named colours

Brown · ΔE 10.2 Firebrick · ΔE 11.8 Indian red · ΔE 14.2 Crimson · ΔE 16.8 Dark red · ΔE 22.5 Maroon · ΔE 23.7

Nearest named CSS colourBrown (#A52A2A)ΔE 10.21, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#39C4BC

Analogous#C43987, #C47639

Triadic#41C439, #3941C4

Split complementary#39C476, #3987C4

Tetradic#87C439, #39C4BC, #7639C4

Tints, shades & saturation

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

Lighter +40%#F3D6D8

Lighter +30%#E8AEB2

Lighter +20%#DC878C

Lighter +10%#D15F66

Darker −10%#9C2E34

Darker −20%#752227

Darker −30%#4D171A

Darker −40%#260B0D

More saturated +25%#E41925

Less saturated −25%#A4595D

Channel breakdown

R196

G57

B65

Red196 (76.9%)

Green57 (22.4%)

Blue65 (25.5%)

Hue356.55°

Saturation (HSL)54.94%

Lightness49.61%

Dominant channelRed

Hex per channelR C4 · G 39 · B 41

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C43941 (chemical formula)

Formula
527,775.351 g/mol
43941 atoms

C43941 has a molar mass of 527,775.351 g/mol, made up of 43941 atoms across 1 element: 43941 × C.

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Molar mass

Molar mass527,775.351 g/mol

Total atoms per molecule43941

Distinct elements1

Mass of one molecule8.7639159 × 10^-19 g

Molecules per gram1.1410424 × 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 × 43941)527,775.351 g/mol, 100%

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Elements in this formula

Carbon

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