Recognised as Colour
#C43027
- #C43027
- Red
- Dark
- Nearest: Firebrick
#C43027 is a red with RGB values 196, 48, 39 and HSL 3°, 67%, 46%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#C43027#C43027
HEX#C43027
RGBrgb(196, 48, 39)
RGB (0–1)0.7686, 0.1882, 0.1529
RGB percentages76.9%, 18.8%, 15.3%
HSLhsl(3.4, 66.8%, 46.1%)
HSV / HSBhsv(3.4, 80.1%, 76.9%)
CMYK0%, 75.5%, 80.1%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,857,383
CSS custom property--colour: #C43027;
Brightness & contrast
Relative luminance0.13996WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.53:1
Contrast with white5.53:1WCAG normal text: AA
Contrast with black3.8:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#3BCFD8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.53:1WCAG large text: AAA
Contrast with black, large text3.8:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#27BBC4
Analogous#C4276C, #C47E27
Triadic#27C430, #3027C4
Split complementary#27C47E, #276DC4
Tetradic#6DC427, #27BBC4, #7F27C4
Tints, shades & saturation
Channel breakdown
R196
G48
B39
Red196 (76.9%)
Green48 (18.8%)
Blue39 (15.3%)
Hue3.44°
Saturation (HSL)66.81%
Lightness46.08%
Dominant channelRed
Hex per channelR C4 · G 30 · B 27
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Also reads as
C43027 (chemical formula)
- Formula
- 516,797.297 g/mol
- 43027 atoms
C43027 has a molar mass of 516,797.297 g/mol, made up of 43027 atoms across 1 element: 43027 × C.
Molar mass
Molar mass516,797.297 g/mol
Total atoms per molecule43027
Distinct elements1
Mass of one molecule8.581621 × 10^-19 g
Molecules per gram1.165281 × 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 × 43027)516,797.297 g/mol, 100%
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