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Recognised as Colour

#C83755

  • #C83755
  • Red
  • Dark
  • Nearest: Indian red

#C83755 is a red with RGB values 200, 55, 85 and HSL 348°, 57%, 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

#C83755#C83755
HEX#C83755
RGBrgb(200, 55, 85)
RGB (0–1)0.7843, 0.2157, 0.3333
RGB percentages78.4%, 21.6%, 33.3%
HSLhsl(347.6, 56.9%, 50%)
HSV / HSBhsv(347.6, 72.5%, 78.4%)
CMYK0%, 72.5%, 57.5%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,121,365
CSS custom property--colour: #C83755;

Brightness & contrast

Relative luminance0.15668WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.08:1
Contrast with white5.08:1WCAG normal text: AA
Contrast with black4.13:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#37C8AA

Colour vision & accessibility

Protanopia#5D5B55no red cones; affects about 1% of men; ΔE 60.8 from the original
Deuteranopia#827951no green cones; the most common form, about 1% of men; ΔE 61.8 from the original
Tritanopia#DB0C43no blue cones; rare, and affects men and women equally; ΔE 17.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.08:1WCAG large text: AAA
Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Nearest named CSS colourIndian red (#CD5C5C)ΔE 16.06, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#37C8AA
Analogous#C8379E, #C86237
Triadic#55C837, #3755C8
Split complementary#37C862, #379DC8
Tetradic#9DC837, #37C8AA, #6237C8

Tints, shades & saturation

Lighter +40%#F4D7DD
Lighter +30%#E9AFBB
Lighter +20%#DE8799
Lighter +10%#D35F77
Darker −10%#A02C44
Darker −20%#782133
Darker −30%#501622
Darker −40%#280B11
More saturated +25%#E81742
Less saturated −25%#A85768

Channel breakdown

R200
G55
B85
Red200 (78.4%)
Green55 (21.6%)
Blue85 (33.3%)
Hue347.59°
Saturation (HSL)56.86%
Lightness50%
Dominant channelRed
Hex per channelR C8 · G 37 · B 55

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Also reads as

C83755 (chemical formula)

  • Formula
  • 1,005,981.305 g/mol
  • 83755 atoms

C83755 has a molar mass of 1,005,981.305 g/mol, made up of 83755 atoms across 1 element: 83755 × C.

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Molar mass

Molar mass1,005,981.305 g/mol
Total atoms per molecule83755
Distinct elements1
Mass of one molecule1.6704713 × 10^-18 g
Molecules per gram5.9863347 × 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 × 83755)1,005,981.305 g/mol, 100%

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Every value on this page was computed from “c83755” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.