Recognised as Colour
#C42F4F
- #C42F4F
- Red
- Dark
- Nearest: Brown
#C42F4F is a red with RGB values 196, 47, 79 and HSL 347°, 61%, 48%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#C42F4F#C42F4F
HEX#C42F4F
RGBrgb(196, 47, 79)
RGB (0–1)0.7686, 0.1843, 0.3098
RGB percentages76.9%, 18.4%, 31%
HSLhsl(347.1, 61.3%, 47.6%)
HSV / HSBhsv(347.1, 76%, 76.9%)
CMYK0%, 76%, 59.7%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,857,167
CSS custom property--colour: #C42F4F;
Brightness & contrast
Relative luminance0.14333WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.43:1
Contrast with white5.43:1WCAG normal text: AA
Contrast with black3.87:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#3BD0B0
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.43:1WCAG large text: AAA
Contrast with black, large text3.87:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2FC4A4
Analogous#C42F9A, #C4592F
Triadic#4FC42F, #2F4FC4
Split complementary#2FC459, #2F9AC4
Tetradic#9AC42F, #2FC4A4, #592FC4
Tints, shades & saturation
Channel breakdown
R196
G47
B79
Red196 (76.9%)
Green47 (18.4%)
Blue79 (31%)
Hue347.11°
Saturation (HSL)61.32%
Lightness47.65%
Dominant channelRed
Hex per channelR C4 · G 2F · B 4F
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Also reads as
C42F4F (chemical formula)
- Formula
- 599.452 g/mol
- 47 atoms
C42F4F has a molar mass of 599.452 g/mol, made up of 47 atoms across 2 elements: 42 × C, 5 × F.
Molar mass
Molar mass599.452 g/mol
Total atoms per molecule47
Distinct elements2
Mass of one molecule9.9541346 × 10^-22 g
Molecules per gram1.0046077 × 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
C84.2%
F15.8%
Carbon (C × 42)504.462 g/mol, 84.154%
Fluorine (F × 5)94.99 g/mol, 15.846%
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