Recognised as Colour

#FC5456

#FC5456
Red
Dark
Nearest: Tomato

#FC5456 is a red with RGB values 252, 84, 86 and HSL 359°, 97%, 66%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FC5456#FC5456

HEX#FC5456

RGBrgb(252, 84, 86)

RGB (0–1)0.9882, 0.3294, 0.3373

RGB percentages98.8%, 32.9%, 33.7%

HSLhsl(359.3, 96.6%, 65.9%)

HSV / HSBhsv(359.3, 66.7%, 98.8%)

CMYK0%, 66.7%, 65.9%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,536,662

CSS custom property--colour: #FC5456;

Brightness & contrast

Relative luminance0.27708WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.54:1

Contrast with white3.21:1WCAG normal text: Fail

Contrast with black6.54:1WCAG normal text: AA

Greyscale equivalent#787878

Inverted#03ABA9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#827955no red cones; affects about 1% of men; ΔE 68.2 from the original

Deuteranopia#AC9D51no green cones; the most common form, about 1% of men; ΔE 68.8 from the original

Tritanopia#FF2757no blue cones; rare, and affects men and women equally; ΔE 15.7 from the original

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

Contrast with white, large text3.21:1WCAG large text: AA

Contrast with black, large text6.54:1WCAG large text: AAA

Named colours

Tomato · ΔE 13 Crimson · ΔE 14.6 Salmon · ΔE 20.9 Firebrick · ΔE 22.1 Coral · ΔE 23.4 Indian red · ΔE 23.7

Nearest named CSS colourTomato (#FF6347)ΔE 13.01, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#54FCFA

Analogous#FC54AA, #FCA654

Triadic#56FC54, #5456FC

Split complementary#54FCA6, #54AAFC

Tetradic#AAFC54, #54FCFA, #A654FC

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFEAEB

Lighter +20%#FEB8B9

Lighter +10%#FD8688

Darker −10%#FB2224

Darker −20%#E60407

Darker −30%#B40305

Darker −40%#820204

More saturated +25%#FF5153

Less saturated −25%#E66A6B

Channel breakdown

R252

G84

B86

Red252 (98.8%)

Green84 (32.9%)

Blue86 (33.7%)

Hue359.29°

Saturation (HSL)96.55%

Lightness65.88%

Dominant channelRed

Hex per channelR FC · G 54 · B 56

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC5456 (chemical formula)

Formula
65,551.014 g/mol
5457 atoms

FC5456 has a molar mass of 65,551.014 g/mol, made up of 5457 atoms across 2 elements: 1 × F, 5456 × C.

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Molar mass

Molar mass65,551.014 g/mol

Total atoms per molecule5457

Distinct elements2

Mass of one molecule1.0885002 × 10^-19 g

Molecules per gram9.1869529 × 10^18

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, 0.029%

Carbon (C × 5456)65,532.016 g/mol, 99.971%

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