Recognised as Colour
#C42741
- #C42741
- Red
- Dark
- Nearest: Crimson
#C42741 is a red with RGB values 196, 39, 65 and HSL 350°, 67%, 46%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#C42741#C42741
HEX#C42741
RGBrgb(196, 39, 65)
RGB (0–1)0.7686, 0.1529, 0.2549
RGB percentages76.9%, 15.3%, 25.5%
HSLhsl(350.1, 66.8%, 46.1%)
HSV / HSBhsv(350.1, 80.1%, 76.9%)
CMYK0%, 80.1%, 66.8%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,855,105
CSS custom property--colour: #C42741;
Brightness & contrast
Relative luminance0.13568WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.65:1
Contrast with white5.65:1WCAG normal text: AA
Contrast with black3.71:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#3BD8BE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.65:1WCAG large text: AAA
Contrast with black, large text3.71:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#27C4AA
Analogous#C4278F, #C45C27
Triadic#41C427, #2741C4
Split complementary#27C45C, #278FC4
Tetradic#90C427, #27C4AA, #5C27C4
Tints, shades & saturation
Channel breakdown
R196
G39
B65
Red196 (76.9%)
Green39 (15.3%)
Blue65 (25.5%)
Hue350.06°
Saturation (HSL)66.81%
Lightness46.08%
Dominant channelRed
Hex per channelR C4 · G 27 · B 41
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Also reads as
C42741 (chemical formula)
- Formula
- 513,362.151 g/mol
- 42741 atoms
C42741 has a molar mass of 513,362.151 g/mol, made up of 42741 atoms across 1 element: 42741 × C.
Molar mass
Molar mass513,362.151 g/mol
Total atoms per molecule42741
Distinct elements1
Mass of one molecule8.5245791 × 10^-19 g
Molecules per gram1.1730784 × 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 × 42741)513,362.151 g/mol, 100%
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