Recognised as Colour
#C13F53
- #C13F53
- Red
- Dark
- Nearest: Indian red
#C13F53 is a red with RGB values 193, 63, 83 and HSL 351°, 51%, 50%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#C13F53#C13F53
HEX#C13F53
RGBrgb(193, 63, 83)
RGB (0–1)0.7569, 0.2471, 0.3255
RGB percentages75.7%, 24.7%, 32.5%
HSLhsl(350.8, 51.2%, 50.2%)
HSV / HSBhsv(350.8, 67.4%, 75.7%)
CMYK0%, 67.4%, 57%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,664,659
CSS custom property--colour: #C13F53;
Brightness & contrast
Relative luminance0.15517WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.12:1
Contrast with white5.12:1WCAG normal text: AA
Contrast with black4.1:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#3EC0AC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.12:1WCAG large text: AAA
Contrast with black, large text4.1:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3FC1AD
Analogous#C13F94, #C16C3F
Triadic#53C13F, #3F53C1
Split complementary#3FC16C, #3F94C1
Tetradic#94C13F, #3FC1AD, #6C3FC1
Tints, shades & saturation
Channel breakdown
R193
G63
B83
Red193 (75.7%)
Green63 (24.7%)
Blue83 (32.5%)
Hue350.77°
Saturation (HSL)51.18%
Lightness50.2%
Dominant channelRed
Hex per channelR C1 · G 3F · B 53
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Harmonies
Similar named colours
Also reads as
C13F53 (chemical formula)
- Formula
- 1,163.037 g/mol
- 66 atoms
C13F53 has a molar mass of 1,163.037 g/mol, made up of 66 atoms across 2 elements: 13 × C, 53 × F.
Molar mass
Molar mass1,163.037 g/mol
Total atoms per molecule66
Distinct elements2
Mass of one molecule1.9312684 × 10^-21 g
Molecules per gram5.1779443 × 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
C13.4%
F86.6%
Carbon (C × 13)156.143 g/mol, 13.425%
Fluorine (F × 53)1,006.894 g/mol, 86.575%
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