Recognised as Colour

#F5344F

#F5344F
Red
Dark
Nearest: Crimson

#F5344F is a red with RGB values 245, 52, 79 and HSL 352°, 91%, 58%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F5344F#F5344F

HEX#F5344F

RGBrgb(245, 52, 79)

RGB (0–1)0.9608, 0.2039, 0.3098

RGB percentages96.1%, 20.4%, 31%

HSLhsl(351.6, 90.6%, 58.2%)

HSV / HSBhsv(351.6, 78.8%, 96.1%)

CMYK0%, 78.8%, 67.8%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,069,711

CSS custom property--colour: #F5344F;

Brightness & contrast

Relative luminance0.22433WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.49:1

Contrast with white3.83:1WCAG normal text: Fail

Contrast with black5.49:1WCAG normal text: AA

Greyscale equivalent#5F5F5F

Inverted#0ACBB0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6F684Eno red cones; affects about 1% of men; ΔE 76.2 from the original

Deuteranopia#9F9149no green cones; the most common form, about 1% of men; ΔE 76.8 from the original

Tritanopia#FF0040no blue cones; rare, and affects men and women equally; ΔE 12.5 from the original

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

Contrast with white, large text3.83:1WCAG large text: AA

Contrast with black, large text5.49:1WCAG large text: AAA

Named colours

Crimson · ΔE 7.6 Tomato · ΔE 21.2 Firebrick · ΔE 22.7 Brown · ΔE 27.9 Indian red · ΔE 28.9 Salmon · ΔE 29.7

Nearest named CSS colourCrimson (#DC143C)ΔE 7.58, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#34F5DA

Analogous#F534AF, #F57934

Triadic#4FF534, #344FF5

Split complementary#34F57A, #34AFF5

Tetradic#B0F534, #34F5DA, #7A34F5

Tints, shades & saturation

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

Lighter +40%#FFF6F8

Lighter +30%#FCC6CD

Lighter +20%#FA95A3

Lighter +10%#F76579

Darker −10%#EA0C2B

Darker −20%#BA0922

Darker −30%#890719

Darker −40%#590410

More saturated +25%#FF2A48

Less saturated −25%#DA4F62

Channel breakdown

R245

G52

B79

Red245 (96.1%)

Green52 (20.4%)

Blue79 (31%)

Hue351.61°

Saturation (HSL)90.61%

Lightness58.24%

Dominant channelRed

Hex per channelR F5 · G 34 · B 4F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F5344F (chemical formula)

Formula
101,544.31 g/mol
5345 atoms

F5344F has a molar mass of 101,544.31 g/mol, made up of 5345 atoms across 1 element: 5345 × F.

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Molar mass

Molar mass101,544.31 g/mol

Total atoms per molecule5345

Distinct elements1

Mass of one molecule1.6861829 × 10^-19 g

Molecules per gram5.9305546 × 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 × 5345)101,544.31 g/mol, 100%

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Elements in this formula

Fluorine

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