Recognised as Colour

#FC3363

#FC3363
Red
Dark
Nearest: Crimson

#FC3363 is a red with RGB values 252, 51, 99 and HSL 346°, 97%, 59%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FC3363#FC3363

HEX#FC3363

RGBrgb(252, 51, 99)

RGB (0–1)0.9882, 0.2, 0.3882

RGB percentages98.8%, 20%, 38.8%

HSLhsl(345.7, 97.1%, 59.4%)

HSV / HSBhsv(345.7, 79.8%, 98.8%)

CMYK0%, 79.8%, 60.7%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,528,227

CSS custom property--colour: #FC3363;

Brightness & contrast

Relative luminance0.23964WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.79:1

Contrast with white3.63:1WCAG normal text: Fail

Contrast with black5.79:1WCAG normal text: AA

Greyscale equivalent#616161

Inverted#03CC9C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6F6C63no red cones; affects about 1% of men; ΔE 78.3 from the original

Deuteranopia#A1955Eno green cones; the most common form, about 1% of men; ΔE 79.2 from the original

Tritanopia#FF0048no blue cones; rare, and affects men and women equally; ΔE 14.9 from the original

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

Contrast with white, large text3.63:1WCAG large text: AA

Contrast with black, large text5.79:1WCAG large text: AAA

Named colours

Crimson · ΔE 14.5 Firebrick · ΔE 29.4 Tomato · ΔE 29.7 Deep pink · ΔE 30.2 Indian red · ΔE 30.3 Brown · ΔE 32.2

Nearest named CSS colourCrimson (#DC143C)ΔE 14.52, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#33FCCC

Analogous#FC33C8, #FC6733

Triadic#63FC33, #3363FC

Split complementary#33FC67, #33C8FC

Tetradic#C8FC33, #33FCCC, #6733FC

Tints, shades & saturation

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

Lighter +40%#FFFCFD

Lighter +30%#FECAD6

Lighter +20%#FD98B0

Lighter +10%#FD6589

Darker −10%#F8043E

Darker −20%#C60332

Darker −30%#940225

Darker −40%#620118

More saturated +25%#FF3061

Less saturated −25%#E24D71

Channel breakdown

R252

G51

B99

Red252 (98.8%)

Green51 (20%)

Blue99 (38.8%)

Hue345.67°

Saturation (HSL)97.1%

Lightness59.41%

Dominant channelRed

Hex per channelR FC · G 33 · B 63

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC3363 (chemical formula)

Formula
40,411.991 g/mol
3364 atoms

FC3363 has a molar mass of 40,411.991 g/mol, made up of 3364 atoms across 2 elements: 1 × F, 3363 × C.

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Molar mass

Molar mass40,411.991 g/mol

Total atoms per molecule3364

Distinct elements2

Mass of one molecule6.710569 × 10^-20 g

Molecules per gram1.4901866 × 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, 0.047%

Carbon (C × 3363)40,392.993 g/mol, 99.953%

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