Recognised as Colour

#C13417

#C13417
Red
Dark
Nearest: Firebrick

#C13417 is a red with RGB values 193, 52, 23 and HSL 10°, 79%, 42%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C13417#C13417

HEX#C13417

RGBrgb(193, 52, 23)

RGB (0–1)0.7569, 0.2039, 0.0902

RGB percentages75.7%, 20.4%, 9%

HSLhsl(10.2, 78.7%, 42.4%)

HSV / HSBhsv(10.2, 88.1%, 75.7%)

CMYK0%, 73.1%, 88.1%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,661,783

CSS custom property--colour: #C13417;

Brightness & contrast

Relative luminance0.13855WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.57:1

Contrast with white5.57:1WCAG normal text: AA

Contrast with black3.77:1WCAG normal text: Fail

Greyscale equivalent#505050

Inverted#3ECBE8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5410no red cones; affects about 1% of men; ΔE 59.5 from the original

Deuteranopia#82730Bno green cones; the most common form, about 1% of men; ΔE 59.4 from the original

Tritanopia#D5002Fno blue cones; rare, and affects men and women equally; ΔE 19.2 from the original

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

Contrast with white, large text5.57:1WCAG large text: AAA

Contrast with black, large text3.77:1WCAG large text: AA

Named colours

Firebrick · ΔE 12.1 Dark red · ΔE 17.9 Tomato · ΔE 18.6 Brown · ΔE 19.8 Maroon · ΔE 22.2 Crimson · ΔE 22.4

Nearest named CSS colourFirebrick (#B22222)ΔE 12.06, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#17A4C1

Analogous#C1174F, #C18917

Triadic#17C134, #3417C1

Split complementary#17C189, #174FC1

Tetradic#4FC117, #17A4C1, #8917C1

Tints, shades & saturation

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

Lighter +40%#F5BBAF

Lighter +30%#F09481

Lighter +20%#EB6D53

Lighter +10%#E54726

Darker −10%#932812

Darker −20%#661B0C

Darker −30%#380F07

Darker −40%#0B0301

More saturated +25%#D82500

Less saturated −25%#A64632

Channel breakdown

R193

G52

B23

Red193 (75.7%)

Green52 (20.4%)

Blue23 (9%)

Hue10.24°

Saturation (HSL)78.7%

Lightness42.35%

Dominant channelRed

Hex per channelR C1 · G 34 · B 17

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C13417 (chemical formula)

Formula
161,151.587 g/mol
13417 atoms

C13417 has a molar mass of 161,151.587 g/mol, made up of 13417 atoms across 1 element: 13417 × C.

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Molar mass

Molar mass161,151.587 g/mol

Total atoms per molecule13417

Distinct elements1

Mass of one molecule2.6759851 × 10^-19 g

Molecules per gram3.7369416 × 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 × 13417)161,151.587 g/mol, 100%

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Elements in this formula

Carbon

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