Recognised as Colour

#FC3F64

#FC3F64
Red
Dark
Nearest: Crimson

#FC3F64 is a red with RGB values 252, 63, 100 and HSL 348°, 97%, 62%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FC3F64#FC3F64

HEX#FC3F64

RGBrgb(252, 63, 100)

RGB (0–1)0.9882, 0.2471, 0.3922

RGB percentages98.8%, 24.7%, 39.2%

HSLhsl(348.3, 96.9%, 61.8%)

HSV / HSBhsv(348.3, 75%, 98.8%)

CMYK0%, 75%, 60.3%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,531,300

CSS custom property--colour: #FC3F64;

Brightness & contrast

Relative luminance0.25171WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.03:1

Contrast with white3.48:1WCAG normal text: Fail

Contrast with black6.03:1WCAG normal text: AA

Greyscale equivalent#6A6A6A

Inverted#03C09B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#747064no red cones; affects about 1% of men; ΔE 75 from the original

Deuteranopia#A4985Fno green cones; the most common form, about 1% of men; ΔE 76.3 from the original

Tritanopia#FF004Fno blue cones; rare, and affects men and women equally; ΔE 13.4 from the original

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

Contrast with white, large text3.48:1WCAG large text: AA

Contrast with black, large text6.03:1WCAG large text: AAA

Named colours

Crimson · ΔE 14.1 Tomato · ΔE 26.9 Indian red · ΔE 27.2 Firebrick · ΔE 27.7 Salmon · ΔE 28.8 Brown · ΔE 30.3

Nearest named CSS colourCrimson (#DC143C)ΔE 14.07, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3FFCD7

Analogous#FC3FC3, #FC793F

Triadic#64FC3F, #3F64FC

Split complementary#3FFC79, #3FC3FC

Tetradic#C3FC3F, #3FFCD7, #783FFC

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FED6DE

Lighter +20%#FEA3B5

Lighter +10%#FD718D

Darker −10%#FB0D3B

Darker −20%#D2032C

Darker −30%#A00221

Darker −40%#6D0217

More saturated +25%#FF3C62

Less saturated −25%#E45773

Channel breakdown

R252

G63

B100

Red252 (98.8%)

Green63 (24.7%)

Blue100 (39.2%)

Hue348.25°

Saturation (HSL)96.92%

Lightness61.76%

Dominant channelRed

Hex per channelR FC · G 3F · B 64

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC3F64 (chemical formula)

Formula
1,270.903 g/mol
68 atoms

FC3F64 has a molar mass of 1,270.903 g/mol, made up of 68 atoms across 2 elements: 65 × F, 3 × C.

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Molar mass

Molar mass1,270.903 g/mol

Total atoms per molecule68

Distinct elements2

Mass of one molecule2.1103841 × 10^-21 g

Molecules per gram4.738474 × 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

F97.2%

C2.8%

Fluorine (F × 65)1,234.87 g/mol, 97.165%

Carbon (C × 3)36.033 g/mol, 2.835%

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