Recognised as Colour

#FC2744

#FC2744
Red
Dark
Nearest: Crimson

#FC2744 is a red with RGB values 252, 39, 68 and HSL 352°, 97%, 57%. 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

#FC2744#FC2744

HEX#FC2744

RGBrgb(252, 39, 68)

RGB (0–1)0.9882, 0.1529, 0.2667

RGB percentages98.8%, 15.3%, 26.7%

HSLhsl(351.8, 97.3%, 57.1%)

HSV / HSBhsv(351.8, 84.5%, 98.8%)

CMYK0%, 84.5%, 73%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,525,124

CSS custom property--colour: #FC2744;

Brightness & contrast

Relative luminance0.22564WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.51:1

Contrast with white3.81:1WCAG normal text: Fail

Contrast with black5.51:1WCAG normal text: AA

Greyscale equivalent#565656

Inverted#03D8BB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6F6643no red cones; affects about 1% of men; ΔE 81.2 from the original

Deuteranopia#A2923Cno green cones; the most common form, about 1% of men; ΔE 81.4 from the original

Tritanopia#FF0035no blue cones; rare, and affects men and women equally; ΔE 8.8 from the original

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

Contrast with white, large text3.81:1WCAG large text: AA

Contrast with black, large text5.51:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.9 Tomato · ΔE 21 Firebrick · ΔE 25.6 Red · ΔE 28.2 Orange red · ΔE 30.9 Brown · ΔE 32.7

Nearest named CSS colourCrimson (#DC143C)ΔE 10.88, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27FCDF

Analogous#FC27AE, #FC7527

Triadic#44FC27, #2744FC

Split complementary#27FC75, #27AEFC

Tetradic#AEFC27, #27FCDF, #7527FC

Tints, shades & saturation

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

Lighter +40%#FFF0F2

Lighter +30%#FEBEC7

Lighter +20%#FD8C9B

Lighter +10%#FD5970

Darker −10%#ED0323

Darker −20%#BA031C

Darker −30%#880214

Darker −40%#56010D

More saturated +25%#FF2442

Less saturated −25%#E14258

Channel breakdown

R252

G39

B68

Red252 (98.8%)

Green39 (15.3%)

Blue68 (26.7%)

Hue351.83°

Saturation (HSL)97.26%

Lightness57.06%

Dominant channelRed

Hex per channelR FC · G 27 · B 44

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC2744 (chemical formula)

Formula
32,977.182 g/mol
2745 atoms

FC2744 has a molar mass of 32,977.182 g/mol, made up of 2745 atoms across 2 elements: 1 × F, 2744 × C.

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Molar mass

Molar mass32,977.182 g/mol

Total atoms per molecule2745

Distinct elements2

Mass of one molecule5.4759899 × 10^-20 g

Molecules per gram1.8261538 × 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

F0.1%

C99.9%

Fluorine (F)18.998 g/mol, 0.058%

Carbon (C × 2744)32,958.184 g/mol, 99.942%

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