Recognised as Colour

#FF7347

#FF7347
Red
Dark
Nearest: Coral

#FF7347 is a red with RGB values 255, 115, 71 and HSL 14°, 100%, 64%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Coral.

Colour values

#FF7347#FF7347

HEX#FF7347

RGBrgb(255, 115, 71)

RGB (0–1)1, 0.451, 0.2784

RGB percentages100%, 45.1%, 27.8%

HSLhsl(14.3, 100%, 63.9%)

HSV / HSBhsv(14.3, 72.2%, 100%)

CMYK0%, 54.9%, 72.2%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,741,191

CSS custom property--colour: #FF7347;

Brightness & contrast

Relative luminance0.33976WCAG 2.x, 0 is black and 1 is white

Perceived brightness166.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.8:1

Contrast with white2.69:1WCAG normal text: Fail

Contrast with black7.8:1WCAG normal text: AAA

Greyscale equivalent#8E8E8E

Inverted#008CB8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#998A42no red cones; affects about 1% of men; ΔE 55.9 from the original

Deuteranopia#BCA943no green cones; the most common form, about 1% of men; ΔE 56.2 from the original

Tritanopia#FF5569no blue cones; rare, and affects men and women equally; ΔE 28.4 from the original

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

Contrast with white, large text2.69:1WCAG large text: Fail

Contrast with black, large text7.8:1WCAG large text: AAA

Named colours

Coral · ΔE 6.1 Tomato · ΔE 8.3 Chocolate · ΔE 17.9 Salmon · ΔE 21.2 Light salmon · ΔE 26.2 Orange red · ΔE 27

Nearest named CSS colourCoral (#FF7F50)ΔE 6.13, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#47D3FF

Analogous#FF4777, #FFCF47

Triadic#47FF73, #7347FF

Split complementary#47FFCF, #4777FF

Tetradic#77FF47, #47D3FF, #CF47FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFE7E0

Lighter +20%#FFC1AD

Lighter +10%#FF9A7A

Darker −10%#FF4C14

Darker −20%#E03600

Darker −30%#AD2900

Darker −40%#7A1D00

More saturated +25%#FF7347

Less saturated −25%#E87F5E

Channel breakdown

R255

G115

B71

Red255 (100%)

Green115 (45.1%)

Blue71 (27.8%)

Hue14.35°

Saturation (HSL)100%

Lightness63.92%

Dominant channelRed

Hex per channelR FF · G 73 · B 47

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF7347 (chemical formula)

Formula
139,597.304 g/mol
7348 atoms

FF7347 has a molar mass of 139,597.304 g/mol, made up of 7348 atoms across 1 element: 7348 × F.

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Molar mass

Molar mass139,597.304 g/mol

Total atoms per molecule7348

Distinct elements1

Mass of one molecule2.3180678 × 10^-19 g

Molecules per gram4.3139377 × 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

F100%

Fluorine (F × 7348)139,597.304 g/mol, 100%

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Elements in this formula

Fluorine

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