Recognised as Colour

#FC2441

#FC2441
Red
Dark
Nearest: Crimson

#FC2441 is a red with RGB values 252, 36, 65 and HSL 352°, 97%, 56%. 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

#FC2441#FC2441

HEX#FC2441

RGBrgb(252, 36, 65)

RGB (0–1)0.9882, 0.1412, 0.2549

RGB percentages98.8%, 14.1%, 25.5%

HSLhsl(351.9, 97.3%, 56.5%)

HSV / HSBhsv(351.9, 85.7%, 98.8%)

CMYK0%, 85.7%, 74.2%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,524,353

CSS custom property--colour: #FC2441;

Brightness & contrast

Relative luminance0.22339WCAG 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 5.47:1

Contrast with white3.84:1WCAG normal text: Fail

Contrast with black5.47:1WCAG normal text: AA

Greyscale equivalent#545454

Inverted#03DBBE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E6540no red cones; affects about 1% of men; ΔE 81.9 from the original

Deuteranopia#A29239no green cones; the most common form, about 1% of men; ΔE 82.1 from the original

Tritanopia#FF0033no blue cones; rare, and affects men and women equally; ΔE 8.2 from the original

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

Contrast with white, large text3.84:1WCAG large text: AA

Contrast with black, large text5.47:1WCAG large text: AAA

Named colours

Crimson · ΔE 11.8 Tomato · ΔE 21.1 Firebrick · ΔE 25.9 Red · ΔE 26.6 Orange red · ΔE 29.7 Brown · ΔE 33.4

Nearest named CSS colourCrimson (#DC143C)ΔE 11.77, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#24FCDF

Analogous#FC24AD, #FC7324

Triadic#41FC24, #2441FC

Split complementary#24FC73, #24ADFC

Tetradic#ADFC24, #24FCDF, #7324FC

Tints, shades & saturation

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

Lighter +40%#FFEDF0

Lighter +30%#FEBBC4

Lighter +20%#FD8998

Lighter +10%#FD566D

Darker −10%#EA0322

Darker −20%#B7031B

Darker −30%#850213

Darker −40%#53010C

More saturated +25%#FF213F

Less saturated −25%#E04055

Channel breakdown

R252

G36

B65

Red252 (98.8%)

Green36 (14.1%)

Blue65 (25.5%)

Hue351.94°

Saturation (HSL)97.3%

Lightness56.47%

Dominant channelRed

Hex per channelR FC · G 24 · B 41

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC2441 (chemical formula)

Formula
29,337.849 g/mol
2442 atoms

FC2441 has a molar mass of 29,337.849 g/mol, made up of 2442 atoms across 2 elements: 1 × F, 2441 × C.

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Molar mass

Molar mass29,337.849 g/mol

Total atoms per molecule2442

Distinct elements2

Mass of one molecule4.8716644 × 10^-20 g

Molecules per gram2.0526865 × 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, 0.065%

Carbon (C × 2441)29,318.851 g/mol, 99.935%

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