Recognised as Colour
#C40CA1
- #C40CA1
- Magenta
- Dark
- Nearest: Medium violet red
#C40CA1 is a magenta with RGB values 196, 12, 161 and HSL 311°, 88%, 41%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Medium violet red.
Colour values
#C40CA1#C40CA1
HEX#C40CA1
RGBrgb(196, 12, 161)
RGB (0–1)0.7686, 0.0471, 0.6314
RGB percentages76.9%, 4.7%, 63.1%
HSLhsl(311.4, 88.5%, 40.8%)
HSV / HSBhsv(311.4, 93.9%, 76.9%)
CMYK0%, 93.9%, 17.9%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,848,289
CSS custom property--colour: #C40CA1;
Brightness & contrast
Relative luminance0.14572WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.36:1
Contrast with white5.36:1WCAG normal text: AA
Contrast with black3.91:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#3BF35E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.36:1WCAG large text: AAA
Contrast with black, large text3.91:1WCAG large text: AA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0CC42F
Analogous#8B0CC4, #C40C45
Triadic#A1C40C, #0CA1C4
Split complementary#45C40C, #0CC48B
Tetradic#C48B0C, #0CC42F, #0C45C4
Tints, shades & saturation
Channel breakdown
R196
G12
B161
Red196 (76.9%)
Green12 (4.7%)
Blue161 (63.1%)
Hue311.41°
Saturation (HSL)88.46%
Lightness40.78%
Dominant channelRed
Hex per channelR C4 · G 0C · B A1
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Harmonies
Similar named colours
Also reads as
C40Ca1 (chemical formula)
- Formula
- 520.518 g/mol
- 41 atoms
C40Ca1 has a molar mass of 520.518 g/mol, made up of 41 atoms across 2 elements: 40 × C, 1 × Ca.
Molar mass
Molar mass520.518 g/mol
Total atoms per molecule41
Distinct elements2
Mass of one molecule8.6434047 × 10^-22 g
Molecules per gram1.1569515 × 10^21
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
C92.3%
Ca7.7%
Carbon (C × 40)480.44 g/mol, 92.3%
Calcium (Ca)40.078 g/mol, 7.7%
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