Recognised as Colour

#F52F5C

#F52F5C
Red
Dark
Nearest: Crimson

#F52F5C is a red with RGB values 245, 47, 92 and HSL 346°, 91%, 57%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F52F5C#F52F5C

HEX#F52F5C

RGBrgb(245, 47, 92)

RGB (0–1)0.9608, 0.1843, 0.3608

RGB percentages96.1%, 18.4%, 36.1%

HSLhsl(346.4, 90.8%, 57.3%)

HSV / HSBhsv(346.4, 80.8%, 96.1%)

CMYK0%, 80.8%, 62.4%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,068,444

CSS custom property--colour: #F52F5C;

Brightness & contrast

Relative luminance0.22218WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.44:1

Contrast with white3.86:1WCAG normal text: Fail

Contrast with black5.44:1WCAG normal text: AA

Greyscale equivalent#5C5C5C

Inverted#0AD0A3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B685Cno red cones; affects about 1% of men; ΔE 77.5 from the original

Deuteranopia#9D9056no green cones; the most common form, about 1% of men; ΔE 77.9 from the original

Tritanopia#FF0043no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original

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

Contrast with white, large text3.86:1WCAG large text: AA

Contrast with black, large text5.44:1WCAG large text: AAA

Named colours

Crimson · ΔE 11.9 Firebrick · ΔE 26.8 Tomato · ΔE 28.2 Indian red · ΔE 29 Brown · ΔE 29.9 Salmon · ΔE 31.7

Nearest named CSS colourCrimson (#DC143C)ΔE 11.93, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2FF5C8

Analogous#F52FBF, #F5652F

Triadic#5CF52F, #2F5CF5

Split complementary#2FF565, #2FBFF5

Tetradic#BFF52F, #2FF5C8, #652FF5

Tints, shades & saturation

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

Lighter +40%#FEF2F5

Lighter +30%#FCC1CE

Lighter +20%#FA90A8

Lighter +10%#F76082

Darker −10%#E60B3D

Darker −20%#B50930

Darker −30%#850623

Darker −40%#540416

More saturated +25%#FF2557

Less saturated −25%#DA4A6B

Channel breakdown

R245

G47

B92

Red245 (96.1%)

Green47 (18.4%)

Blue92 (36.1%)

Hue346.36°

Saturation (HSL)90.83%

Lightness57.25%

Dominant channelRed

Hex per channelR F5 · G 2F · B 5C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F52F5C (chemical formula)

Formula
1,094.897 g/mol
58 atoms

F52F5C has a molar mass of 1,094.897 g/mol, made up of 58 atoms across 2 elements: 57 × F, 1 × C.

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Molar mass

Molar mass1,094.897 g/mol

Total atoms per molecule58

Distinct elements2

Mass of one molecule1.8181192 × 10^-21 g

Molecules per gram5.5001893 × 10^20

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

F98.9%

C1.1%

Fluorine (F × 57)1,082.886 g/mol, 98.903%

Carbon (C)12.011 g/mol, 1.097%

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