Recognised as Colour

#CC3829

#CC3829
Red
Dark
Nearest: Firebrick

#CC3829 is a red with RGB values 204, 56, 41 and HSL 6°, 67%, 48%. 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

#CC3829#CC3829

HEX#CC3829

RGBrgb(204, 56, 41)

RGB (0–1)0.8, 0.2196, 0.1608

RGB percentages80%, 22%, 16.1%

HSLhsl(5.5, 66.5%, 48%)

HSV / HSBhsv(5.5, 79.9%, 80%)

CMYK0%, 72.5%, 79.9%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,383,721

CSS custom property--colour: #CC3829;

Brightness & contrast

Relative luminance0.15826WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.04:1

Contrast with white5.04:1WCAG normal text: AA

Contrast with black4.17:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#33C7D6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655A26no red cones; affects about 1% of men; ΔE 61.6 from the original

Deuteranopia#897B22no green cones; the most common form, about 1% of men; ΔE 62.4 from the original

Tritanopia#E10036no blue cones; rare, and affects men and women equally; ΔE 17.6 from the original

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

Contrast with white, large text5.04:1WCAG large text: AAA

Contrast with black, large text4.17:1WCAG large text: AA

Named colours

Firebrick · ΔE 9.5 Tomato · ΔE 15.8 Crimson · ΔE 16.8 Brown · ΔE 17.3 Dark red · ΔE 19.7 Maroon · ΔE 23.6

Nearest named CSS colourFirebrick (#B22222)ΔE 9.47, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#29BDCC

Analogous#CC296C, #CC8A29

Triadic#29CC38, #3829CC

Split complementary#29CC8A, #296BCC

Tetradic#6CCC29, #29BDCC, #8A29CC

Tints, shades & saturation

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

Lighter +40%#F5D0CC

Lighter +30%#ECA9A2

Lighter +20%#E48177

Lighter +10%#DB5A4D

Darker −10%#A22C20

Darker −20%#772118

Darker −30%#4D150F

Darker −40%#220907

More saturated +25%#EB1F0A

Less saturated −25%#AD5148

Channel breakdown

R204

G56

B41

Red204 (80%)

Green56 (22%)

Blue41 (16.1%)

Hue5.52°

Saturation (HSL)66.53%

Lightness48.04%

Dominant channelRed

Hex per channelR CC · G 38 · B 29

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CC3829 (chemical formula)

Formula
46,002.13 g/mol
3830 atoms

CC3829 has a molar mass of 46,002.13 g/mol, made up of 3830 atoms across 1 element: 3830 × C.

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Molar mass

Molar mass46,002.13 g/mol

Total atoms per molecule3830

Distinct elements1

Mass of one molecule7.6388334 × 10^-20 g

Molecules per gram1.3091004 × 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

C100%

Carbon (C × 3830)46,002.13 g/mol, 100%

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Elements in this formula

Carbon

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