Recognised as Colour

#C44733

#C44733
Red
Dark
Nearest: Firebrick

#C44733 is a red with RGB values 196, 71, 51 and HSL 8°, 59%, 48%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C44733#C44733

HEX#C44733

RGBrgb(196, 71, 51)

RGB (0–1)0.7686, 0.2784, 0.2

RGB percentages76.9%, 27.8%, 20%

HSLhsl(8.3, 58.7%, 48.4%)

HSV / HSBhsv(8.3, 74%, 76.9%)

CMYK0%, 63.8%, 74%, 23.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,863,283

CSS custom property--colour: #C44733;

Brightness & contrast

Relative luminance0.16481WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.89:1

Contrast with white4.89:1WCAG normal text: AA

Contrast with black4.3:1WCAG normal text: Fail

Greyscale equivalent#606060

Inverted#3BB8CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A6030no red cones; affects about 1% of men; ΔE 53.2 from the original

Deuteranopia#897B2Fno green cones; the most common form, about 1% of men; ΔE 53.3 from the original

Tritanopia#D72743no blue cones; rare, and affects men and women equally; ΔE 19.6 from the original

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

Contrast with white, large text4.89:1WCAG large text: AAA

Contrast with black, large text4.3:1WCAG large text: AA

Named colours

Firebrick · ΔE 11.1 Brown · ΔE 12.7 Indian red · ΔE 17.6 Tomato · ΔE 19 Dark red · ΔE 19.9 Sienna · ΔE 20

Nearest named CSS colourFirebrick (#B22222)ΔE 11.08, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#33B0C4

Analogous#C43367, #C49033

Triadic#33C447, #4733C4

Split complementary#33C490, #3367C4

Tetradic#68C433, #33B0C4, #9033C4

Tints, shades & saturation

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

Lighter +40%#F3D5D0

Lighter +30%#E8B1A8

Lighter +20%#DE8C7F

Lighter +10%#D36857

Darker −10%#9C3828

Darker −20%#732A1E

Darker −30%#4B1B13

Darker −40%#220C09

More saturated +25%#E33114

Less saturated −25%#A55D52

Channel breakdown

R196

G71

B51

Red196 (76.9%)

Green71 (27.8%)

Blue51 (20%)

Hue8.28°

Saturation (HSL)58.7%

Lightness48.43%

Dominant channelRed

Hex per channelR C4 · G 47 · B 33

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

C44733 (chemical formula)

Formula
537,288.063 g/mol
44733 atoms

C44733 has a molar mass of 537,288.063 g/mol, made up of 44733 atoms across 1 element: 44733 × C.

Open this reading on its own page →

Molar mass

Molar mass537,288.063 g/mol

Total atoms per molecule44733

Distinct elements1

Mass of one molecule8.9218782 × 10^-19 g

Molecules per gram1.1208402 × 10^18

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 × 44733)537,288.063 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

Carbon

Nerdulate something else

Nothing in mind? Surprise me · today’s page