Recognised as Colour

#FC4584

#FC4584
Red
Dark
Nearest: Deep pink

#FC4584 is a red with RGB values 252, 69, 132 and HSL 339°, 97%, 63%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Deep pink.

Colour values

#FC4584#FC4584

HEX#FC4584

RGBrgb(252, 69, 132)

RGB (0–1)0.9882, 0.2706, 0.5176

RGB percentages98.8%, 27.1%, 51.8%

HSLhsl(339.3, 96.8%, 62.9%)

HSV / HSBhsv(339.3, 72.6%, 98.8%)

CMYK0%, 72.6%, 47.6%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,532,868

CSS custom property--colour: #FC4584;

Brightness & contrast

Relative luminance0.26618WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.32:1

Contrast with white3.32:1WCAG normal text: Fail

Contrast with black6.32:1WCAG normal text: AA

Greyscale equivalent#707070

Inverted#03BA7B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#717685no red cones; affects about 1% of men; ΔE 73 from the original

Deuteranopia#A19A80no green cones; the most common form, about 1% of men; ΔE 74.6 from the original

Tritanopia#FF1E60no blue cones; rare, and affects men and women equally; ΔE 18.6 from the original

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

Contrast with white, large text3.32:1WCAG large text: AA

Contrast with black, large text6.32:1WCAG large text: AAA

Named colours

Deep pink · ΔE 17.9 Hot pink · ΔE 20.5 Medium violet red · ΔE 26.2 Pale violetred · ΔE 27.5 Crimson · ΔE 29.1 Indian red · ΔE 31.7

Nearest named CSS colourDeep pink (#FF1493)ΔE 17.92, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#45FCBD

Analogous#FC45DF, #FC6245

Triadic#84FC45, #4584FC

Split complementary#45FC62, #45DFFC

Tetradic#DFFC45, #45FCBD, #6245FC

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FEDCE8

Lighter +20%#FEA9C6

Lighter +10%#FD77A5

Darker −10%#FB1363

Darker −20%#D8034C

Darker −30%#A5033B

Darker −40%#730229

More saturated +25%#FF4283

Less saturated −25%#E45D8B

Channel breakdown

R252

G69

B132

Red252 (98.8%)

Green69 (27.1%)

Blue132 (51.8%)

Hue339.34°

Saturation (HSL)96.83%

Lightness62.94%

Dominant channelRed

Hex per channelR FC · G 45 · B 84

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC4584 (chemical formula)

Formula
55,077.422 g/mol
4585 atoms

FC4584 has a molar mass of 55,077.422 g/mol, made up of 4585 atoms across 2 elements: 1 × F, 4584 × C.

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Molar mass

Molar mass55,077.422 g/mol

Total atoms per molecule4585

Distinct elements2

Mass of one molecule9.1458211 × 10^-20 g

Molecules per gram1.0933955 × 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

F0%

C100%

Fluorine (F)18.998 g/mol, 0.034%

Carbon (C × 4584)55,058.424 g/mol, 99.966%

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