Recognised as Colour

#F71444

#F71444
Red
Dark
Nearest: Crimson

#F71444 is a red with RGB values 247, 20, 68 and HSL 347°, 93%, 52%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F71444#F71444

HEX#F71444

RGBrgb(247, 20, 68)

RGB (0–1)0.9686, 0.0784, 0.2667

RGB percentages96.9%, 7.8%, 26.7%

HSLhsl(347.3, 93.4%, 52.4%)

HSV / HSBhsv(347.3, 91.9%, 96.9%)

CMYK0%, 91.9%, 72.5%, 3.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,192,580

CSS custom property--colour: #F71444;

Brightness & contrast

Relative luminance0.20692WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.14:1

Contrast with white4.09:1WCAG normal text: Fail

Contrast with black5.14:1WCAG normal text: AA

Greyscale equivalent#484848

Inverted#08EBBB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#686043no red cones; affects about 1% of men; ΔE 82.6 from the original

Deuteranopia#9C8D3Cno green cones; the most common form, about 1% of men; ΔE 83.1 from the original

Tritanopia#FF002Eno blue cones; rare, and affects men and women equally; ΔE 14 from the original

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

Contrast with white, large text4.09:1WCAG large text: AA

Contrast with black, large text5.14:1WCAG large text: AAA

Named colours

Crimson · ΔE 9.4 Tomato · ΔE 24.2 Firebrick · ΔE 25.8 Red · ΔE 30.5 Brown · ΔE 32.6 Orange red · ΔE 34.1

Nearest named CSS colourCrimson (#DC143C)ΔE 9.45, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#14F7C7

Analogous#F714B6, #F75514

Triadic#44F714, #1444F7

Split complementary#14F755, #14B6F7

Tetradic#B6F714, #14F7C7, #5514F7

Tints, shades & saturation

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

Lighter +40%#FED9E1

Lighter +30%#FCA8BA

Lighter +20%#FA7792

Lighter +10%#F9456B

Darker −10%#D10732

Darker −20%#A00526

Darker −30%#6E041A

Darker −40%#3D020F

More saturated +25%#FF0C3F

Less saturated −25%#D93256

Channel breakdown

R247

G20

B68

Red247 (96.9%)

Green20 (7.8%)

Blue68 (26.7%)

Hue347.31°

Saturation (HSL)93.42%

Lightness52.35%

Dominant channelRed

Hex per channelR F7 · G 14 · B 44

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F71444 (chemical formula)

Formula
1,357,293.112 g/mol
71444 atoms

F71444 has a molar mass of 1,357,293.112 g/mol, made up of 71444 atoms across 1 element: 71444 × F.

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Molar mass

Molar mass1,357,293.112 g/mol

Total atoms per molecule71444

Distinct elements1

Mass of one molecule2.2538382 × 10^-18 g

Molecules per gram4.4368757 × 10^17

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 × 71444)1,357,293.112 g/mol, 100%

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Elements in this formula

Fluorine

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