Recognised as Colour
#C50857
- #C50857
- Red
- Dark
- Nearest: Crimson
#C50857 is a red with RGB values 197, 8, 87 and HSL 335°, 92%, 40%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#C50857#C50857
HEX#C50857
RGBrgb(197, 8, 87)
RGB (0–1)0.7725, 0.0314, 0.3412
RGB percentages77.3%, 3.1%, 34.1%
HSLhsl(334.9, 92.2%, 40.2%)
HSV / HSBhsv(334.9, 95.9%, 77.3%)
CMYK0%, 95.9%, 55.8%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,912,727
CSS custom property--colour: #C50857;
Brightness & contrast
Relative luminance0.12732WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.92:1
Contrast with white5.92:1WCAG normal text: AA
Contrast with black3.55:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#3AF7A8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.92:1WCAG large text: AAA
Contrast with black, large text3.55:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#08C576
Analogous#C508B5, #C51808
Triadic#57C508, #0857C5
Split complementary#08C518, #08B5C5
Tetradic#B5C508, #08C576, #1808C5
Tints, shades & saturation
Channel breakdown
R197
G8
B87
Red197 (77.3%)
Green8 (3.1%)
Blue87 (34.1%)
Hue334.92°
Saturation (HSL)92.2%
Lightness40.2%
Dominant channelRed
Hex per channelR C5 · G 08 · B 57
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
C50857 (chemical formula)
- Formula
- 610,843.427 g/mol
- 50857 atoms
C50857 has a molar mass of 610,843.427 g/mol, made up of 50857 atoms across 1 element: 50857 × C.
Molar mass
Molar mass610,843.427 g/mol
Total atoms per molecule50857
Distinct elements1
Mass of one molecule1.0143294 × 10^-18 g
Molecules per gram9.8587306 × 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 × 50857)610,843.427 g/mol, 100%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Elements in this formula
Nerdulate something else
Nothing in mind? Surprise me · today’s page