Recognised as Colour

#F5316F

#F5316F
Red
Dark
Nearest: Crimson

#F5316F is a red with RGB values 245, 49, 111 and HSL 341°, 91%, 58%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F5316F#F5316F

HEX#F5316F

RGBrgb(245, 49, 111)

RGB (0–1)0.9608, 0.1922, 0.4353

RGB percentages96.1%, 19.2%, 43.5%

HSLhsl(341, 90.7%, 57.6%)

HSV / HSBhsv(341, 80%, 96.1%)

CMYK0%, 80%, 54.7%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,068,975

CSS custom property--colour: #F5316F;

Brightness & contrast

Relative luminance0.22757WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.55:1

Contrast with white3.78:1WCAG normal text: Fail

Contrast with black5.55:1WCAG normal text: AA

Greyscale equivalent#5F5F5F

Inverted#0ACE90

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#686A70no red cones; affects about 1% of men; ΔE 76.6 from the original

Deuteranopia#9B916Ano green cones; the most common form, about 1% of men; ΔE 77.6 from the original

Tritanopia#FF004Dno blue cones; rare, and affects men and women equally; ΔE 20.7 from the original

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

Contrast with white, large text3.78:1WCAG large text: AA

Contrast with black, large text5.55:1WCAG large text: AAA

Named colours

Crimson · ΔE 21.5 Deep pink · ΔE 22.1 Hot pink · ΔE 28.7 Indian red · ΔE 30.7 Medium violet red · ΔE 31 Pale violetred · ΔE 32.4

Nearest named CSS colourCrimson (#DC143C)ΔE 21.45, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#31F5B7

Analogous#F531D1, #F55531

Triadic#6FF531, #316FF5

Split complementary#31F555, #31D1F5

Tetradic#D1F531, #31F5B7, #5531F5

Tints, shades & saturation

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

Lighter +40%#FEF4F7

Lighter +30%#FCC3D5

Lighter +20%#FA92B3

Lighter +10%#F76291

Darker −10%#E80B51

Darker −20%#B70940

Darker −30%#86072F

Darker −40%#56041E

More saturated +25%#FF276B

Less saturated −25%#DA4C79

Channel breakdown

R245

G49

B111

Red245 (96.1%)

Green49 (19.2%)

Blue111 (43.5%)

Hue341.02°

Saturation (HSL)90.74%

Lightness57.65%

Dominant channelRed

Hex per channelR F5 · G 31 · B 6F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F5316F (chemical formula)

Formula
101,012.366 g/mol
5317 atoms

F5316F has a molar mass of 101,012.366 g/mol, made up of 5317 atoms across 1 element: 5317 × F.

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Molar mass

Molar mass101,012.366 g/mol

Total atoms per molecule5317

Distinct elements1

Mass of one molecule1.6773498 × 10^-19 g

Molecules per gram5.9617857 × 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 × 5317)101,012.366 g/mol, 100%

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Elements in this formula

Fluorine

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