Recognised as Colour
#C43923
- #C43923
- Red
- Dark
- Nearest: Firebrick
#C43923 is a red with RGB values 196, 57, 35 and HSL 8°, 70%, 45%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#C43923#C43923
HEX#C43923
RGBrgb(196, 57, 35)
RGB (0–1)0.7686, 0.2235, 0.1373
RGB percentages76.9%, 22.4%, 13.7%
HSLhsl(8.2, 69.7%, 45.3%)
HSV / HSBhsv(8.2, 82.1%, 76.9%)
CMYK0%, 70.9%, 82.1%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,859,683
CSS custom property--colour: #C43923;
Brightness & contrast
Relative luminance0.14783WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.31:1
Contrast with white5.31:1WCAG normal text: AA
Contrast with black3.96:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#3BC6DC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.31:1WCAG large text: AAA
Contrast with black, large text3.96:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#23AEC4
Analogous#C4235E, #C48A23
Triadic#23C439, #3923C4
Split complementary#23C48A, #235DC4
Tetradic#5EC423, #23AEC4, #8A23C4
Tints, shades & saturation
Channel breakdown
R196
G57
B35
Red196 (76.9%)
Green57 (22.4%)
Blue35 (13.7%)
Hue8.2°
Saturation (HSL)69.7%
Lightness45.29%
Dominant channelRed
Hex per channelR C4 · G 39 · B 23
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Also reads as
C43923 (chemical formula)
- Formula
- 527,559.153 g/mol
- 43923 atoms
C43923 has a molar mass of 527,559.153 g/mol, made up of 43923 atoms across 1 element: 43923 × C.
Molar mass
Molar mass527,559.153 g/mol
Total atoms per molecule43923
Distinct elements1
Mass of one molecule8.7603258 × 10^-19 g
Molecules per gram1.1415101 × 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 × 43923)527,559.153 g/mol, 100%
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