Recognised as Colour
#C55F4C
- #C55F4C
- Red
- Dark
- Nearest: Indian red
#C55F4C is a red with RGB values 197, 95, 76 and HSL 9°, 51%, 54%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#C55F4C#C55F4C
HEX#C55F4C
RGBrgb(197, 95, 76)
RGB (0–1)0.7725, 0.3725, 0.298
RGB percentages77.3%, 37.3%, 29.8%
HSLhsl(9.4, 51.1%, 53.5%)
HSV / HSBhsv(9.4, 61.4%, 77.3%)
CMYK0%, 51.8%, 61.4%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,934,988
CSS custom property--colour: #C55F4C;
Brightness & contrast
Relative luminance0.20577WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.12:1
Contrast with white4.11:1WCAG normal text: Fail
Contrast with black5.12:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#3AA0B3
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.11:1WCAG large text: AA
Contrast with black, large text5.12:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4CB2C5
Analogous#C54C76, #C59B4C
Triadic#4CC55F, #5F4CC5
Split complementary#4CC59B, #4C76C5
Tetradic#76C54C, #4CB2C5, #9B4CC5
Tints, shades & saturation
Channel breakdown
R197
G95
B76
Red197 (77.3%)
Green95 (37.3%)
Blue76 (29.8%)
Hue9.42°
Saturation (HSL)51.05%
Lightness53.53%
Dominant channelRed
Hex per channelR C5 · G 5F · B 4C
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Harmonies
Similar named colours
Also reads as
C55F4C (chemical formula)
- Formula
- 748.608 g/mol
- 60 atoms
C55F4C has a molar mass of 748.608 g/mol, made up of 60 atoms across 2 elements: 56 × C, 4 × F.
Molar mass
Molar mass748.608 g/mol
Total atoms per molecule60
Distinct elements2
Mass of one molecule1.2430928 × 10^-21 g
Molecules per gram8.0444515 × 10^20
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
C89.8%
F10.2%
Carbon (C × 56)672.616 g/mol, 89.849%
Fluorine (F × 4)75.992 g/mol, 10.151%
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