Recognised as Colour
#C55756
- #C55756
- Red
- Dark
- Nearest: Indian red
#C55756 is a red with RGB values 197, 87, 86 and HSL 1°, 49%, 55%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#C55756#C55756
HEX#C55756
RGBrgb(197, 87, 86)
RGB (0–1)0.7725, 0.3412, 0.3373
RGB percentages77.3%, 34.1%, 33.7%
HSLhsl(0.5, 48.9%, 55.5%)
HSV / HSBhsv(0.5, 56.3%, 77.3%)
CMYK0%, 55.8%, 56.3%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,932,950
CSS custom property--colour: #C55756;
Brightness & contrast
Relative luminance0.19359WCAG 2.x, 0 is black and 1 is white
Perceived brightness130 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.87:1
Contrast with white4.31:1WCAG normal text: Fail
Contrast with black4.87:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#3AA8A9
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.31:1WCAG large text: AA
Contrast with black, large text4.87:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#56C4C5
Analogous#C5568D, #C58E56
Triadic#56C557, #5756C5
Split complementary#56C58E, #568DC5
Tetradic#8DC556, #56C4C5, #8E56C5
Tints, shades & saturation
Channel breakdown
R197
G87
B86
Red197 (77.3%)
Green87 (34.1%)
Blue86 (33.7%)
Hue0.54°
Saturation (HSL)48.9%
Lightness55.49%
Dominant channelRed
Hex per channelR C5 · G 57 · B 56
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Harmonies
Similar named colours
Also reads as
C55756 (chemical formula)
- Formula
- 669,685.316 g/mol
- 55756 atoms
C55756 has a molar mass of 669,685.316 g/mol, made up of 55756 atoms across 1 element: 55756 × C.
Molar mass
Molar mass669,685.316 g/mol
Total atoms per molecule55756
Distinct elements1
Mass of one molecule1.1120386 × 10^-18 g
Molecules per gram8.9924934 × 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 × 55756)669,685.316 g/mol, 100%
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