Recognised as Colour

#CD382C

#CD382C
Red
Dark
Nearest: Firebrick

#CD382C is a red with RGB values 205, 56, 44 and HSL 4°, 65%, 49%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CD382C#CD382C

HEX#CD382C

RGBrgb(205, 56, 44)

RGB (0–1)0.8039, 0.2196, 0.1725

RGB percentages80.4%, 22%, 17.3%

HSLhsl(4.5, 64.7%, 48.8%)

HSV / HSBhsv(4.5, 78.5%, 80.4%)

CMYK0%, 72.7%, 78.5%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,449,260

CSS custom property--colour: #CD382C;

Brightness & contrast

Relative luminance0.15989WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5:1

Contrast with white5:1WCAG normal text: AA

Contrast with black4.2:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#32C7D3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655B29no red cones; affects about 1% of men; ΔE 62.3 from the original

Deuteranopia#8A7B25no green cones; the most common form, about 1% of men; ΔE 62.2 from the original

Tritanopia#E20037no blue cones; rare, and affects men and women equally; ΔE 17.2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5:1WCAG large text: AAA

Contrast with black, large text4.2:1WCAG large text: AA

Named colours

Firebrick · ΔE 9 Crimson · ΔE 15.8 Tomato · ΔE 15.9 Brown · ΔE 16.6 Dark red · ΔE 20 Maroon · ΔE 23.7

Nearest named CSS colourFirebrick (#B22222)ΔE 9.03, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#2CC1CD

Analogous#CD2C70, #CD892C

Triadic#2CCD38, #382CCD

Split complementary#2CCD89, #2C70CD

Tetradic#71CD2C, #2CC1CD, #892CCD

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#F5D3D0

Lighter +30%#ECABA6

Lighter +20%#E3847C

Lighter +10%#DA5C52

Darker −10%#A32D23

Darker −20%#79211A

Darker −30%#4F1611

Darker −40%#250A08

More saturated +25%#EC1E0D

Less saturated −25%#AE524B

Channel breakdown

R205

G56

B44

Red205 (80.4%)

Green56 (22%)

Blue44 (17.3%)

Hue4.47°

Saturation (HSL)64.66%

Lightness48.82%

Dominant channelRed

Hex per channelR CD · G 38 · B 2C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Cd382C (chemical formula)

Formula
42,952.631 g/mol
383 atoms

Cd382C has a molar mass of 42,952.631 g/mol, made up of 383 atoms across 2 elements: 382 × Cd, 1 × C.

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Molar mass

Molar mass42,952.631 g/mol

Total atoms per molecule383

Distinct elements2

Mass of one molecule7.1324522 × 10^-20 g

Molecules per gram1.4020423 × 10^19

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

Cd100%

C0%

Cadmium (Cd × 382)42,940.62 g/mol, 99.972%

Carbon (C)12.011 g/mol, 0.028%

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