Recognised as Colour

#FF345C

#FF345C
Red
Dark
Nearest: Crimson

#FF345C is a red with RGB values 255, 52, 92 and HSL 348°, 100%, 60%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF345C#FF345C

HEX#FF345C

RGBrgb(255, 52, 92)

RGB (0–1)1, 0.2039, 0.3608

RGB percentages100%, 20.4%, 36.1%

HSLhsl(348.2, 100%, 60.2%)

HSV / HSBhsv(348.2, 79.6%, 100%)

CMYK0%, 79.6%, 63.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,725,084

CSS custom property--colour: #FF345C;

Brightness & contrast

Relative luminance0.24489WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.9:1

Contrast with white3.56:1WCAG normal text: Fail

Contrast with black5.9:1WCAG normal text: AA

Greyscale equivalent#626262

Inverted#00CBA3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#716D5Cno red cones; affects about 1% of men; ΔE 79.5 from the original

Deuteranopia#A49756no green cones; the most common form, about 1% of men; ΔE 80.1 from the original

Tritanopia#FF0046no blue cones; rare, and affects men and women equally; ΔE 11.7 from the original

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

Contrast with white, large text3.56:1WCAG large text: AA

Contrast with black, large text5.9:1WCAG large text: AAA

Named colours

Crimson · ΔE 11.9 Tomato · ΔE 25.9 Firebrick · ΔE 27.7 Indian red · ΔE 31 Salmon · ΔE 31.8 Brown · ΔE 31.9

Nearest named CSS colourCrimson (#DC143C)ΔE 11.88, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#34FFD7

Analogous#FF34C2, #FF7134

Triadic#5CFF34, #345CFF

Split complementary#34FF71, #34C2FF

Tetradic#C2FF34, #34FFD7, #7134FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFCDD7

Lighter +20%#FF9AAE

Lighter +10%#FF6785

Darker −10%#FF0133

Darker −20%#CD0028

Darker −30%#9A001E

Darker −40%#670014

More saturated +25%#FF345C

Less saturated −25%#E64D6B

Channel breakdown

R255

G52

B92

Red255 (100%)

Green52 (20.4%)

Blue92 (36.1%)

Hue348.18°

Saturation (HSL)100%

Lightness60.2%

Dominant channelRed

Hex per channelR FF · G 34 · B 5C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF345C (chemical formula)

Formula
6,585.319 g/mol
347 atoms

FF345C has a molar mass of 6,585.319 g/mol, made up of 347 atoms across 2 elements: 346 × F, 1 × C.

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Molar mass

Molar mass6,585.319 g/mol

Total atoms per molecule347

Distinct elements2

Mass of one molecule1.0935179 × 10^-20 g

Molecules per gram9.1447973 × 10^19

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

F99.8%

C0.2%

Fluorine (F × 346)6,573.308 g/mol, 99.818%

Carbon (C)12.011 g/mol, 0.182%

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