Recognised as Colour
#C50549
- #C50549
- Red
- Dark
- Nearest: Crimson
#C50549 is a red with RGB values 197, 5, 73 and HSL 339°, 95%, 40%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#C50549#C50549
HEX#C50549
RGBrgb(197, 5, 73)
RGB (0–1)0.7725, 0.0196, 0.2863
RGB percentages77.3%, 2%, 28.6%
HSLhsl(338.8, 95%, 39.6%)
HSV / HSBhsv(338.8, 97.5%, 77.3%)
CMYK0%, 97.5%, 62.9%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,911,945
CSS custom property--colour: #C50549;
Brightness & contrast
Relative luminance0.1246WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.01:1
Contrast with white6.01:1WCAG normal text: AA
Contrast with black3.49:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#3AFAB6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.01:1WCAG large text: AAA
Contrast with black, large text3.49:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#05C581
Analogous#C505A9, #C52105
Triadic#49C505, #0549C5
Split complementary#05C521, #05A9C5
Tetradic#A9C505, #05C581, #2105C5
Tints, shades & saturation
Channel breakdown
R197
G5
B73
Red197 (77.3%)
Green5 (2%)
Blue73 (28.6%)
Hue338.75°
Saturation (HSL)95.05%
Lightness39.61%
Dominant channelRed
Hex per channelR C5 · G 05 · B 49
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Also reads as
C50549 (chemical formula)
- Formula
- 607,144.039 g/mol
- 50549 atoms
C50549 has a molar mass of 607,144.039 g/mol, made up of 50549 atoms across 1 element: 50549 × C.
Molar mass
Molar mass607,144.039 g/mol
Total atoms per molecule50549
Distinct elements1
Mass of one molecule1.0081864 × 10^-18 g
Molecules per gram9.9188008 × 10^17
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 × 50549)607,144.039 g/mol, 100%
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