Recognised as Colour
#C43040
- #C43040
- Red
- Dark
- Nearest: Brown
#C43040 is a red with RGB values 196, 48, 64 and HSL 354°, 61%, 48%. 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
#C43040#C43040
HEX#C43040
RGBrgb(196, 48, 64)
RGB (0–1)0.7686, 0.1882, 0.251
RGB percentages76.9%, 18.8%, 25.1%
HSLhsl(353.5, 60.7%, 47.8%)
HSV / HSBhsv(353.5, 75.5%, 76.9%)
CMYK0%, 75.5%, 67.3%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,857,408
CSS custom property--colour: #C43040;
Brightness & contrast
Relative luminance0.1422WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.46:1
Contrast with white5.46:1WCAG normal text: AA
Contrast with black3.84:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#3BCFBF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.46:1WCAG large text: AAA
Contrast with black, large text3.84:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#30C4B4
Analogous#C4308A, #C46A30
Triadic#40C430, #3040C4
Split complementary#30C46A, #308AC4
Tetradic#8AC430, #30C4B4, #6A30C4
Tints, shades & saturation
Channel breakdown
R196
G48
B64
Red196 (76.9%)
Green48 (18.8%)
Blue64 (25.1%)
Hue353.51°
Saturation (HSL)60.66%
Lightness47.84%
Dominant channelRed
Hex per channelR C4 · G 30 · B 40
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Also reads as
C43040 (chemical formula)
- Formula
- 516,953.44 g/mol
- 43040 atoms
C43040 has a molar mass of 516,953.44 g/mol, made up of 43040 atoms across 1 element: 43040 × C.
Molar mass
Molar mass516,953.44 g/mol
Total atoms per molecule43040
Distinct elements1
Mass of one molecule8.5842138 × 10^-19 g
Molecules per gram1.164929 × 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 × 43040)516,953.44 g/mol, 100%
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