Recognised as Colour

#FC124F

#FC124F
Red
Dark
Nearest: Crimson

#FC124F is a red with RGB values 252, 18, 79 and HSL 344°, 98%, 53%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FC124F#FC124F

HEX#FC124F

RGBrgb(252, 18, 79)

RGB (0–1)0.9882, 0.0706, 0.3098

RGB percentages98.8%, 7.1%, 31%

HSLhsl(344.4, 97.5%, 52.9%)

HSV / HSBhsv(344.4, 92.9%, 98.8%)

CMYK0%, 92.9%, 68.7%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,519,759

CSS custom property--colour: #FC124F;

Brightness & contrast

Relative luminance0.21693WCAG 2.x, 0 is black and 1 is white

Perceived brightness141 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.34:1

Contrast with white3.93:1WCAG normal text: Fail

Contrast with black5.34:1WCAG normal text: AA

Greyscale equivalent#484848

Inverted#03EDB0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#68634Fno red cones; affects about 1% of men; ΔE 84.5 from the original

Deuteranopia#9F9048no green cones; the most common form, about 1% of men; ΔE 84.3 from the original

Tritanopia#FF0033no blue cones; rare, and affects men and women equally; ΔE 16 from the original

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

Contrast with white, large text3.93:1WCAG large text: AA

Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Crimson · ΔE 11.2 Tomato · ΔE 27.6 Firebrick · ΔE 28.5 Brown · ΔE 34.1 Red · ΔE 35.4 Indian red · ΔE 36.2

Nearest named CSS colourCrimson (#DC143C)ΔE 11.17, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#12FCBF

Analogous#FC12C4, #FC4A12

Triadic#4FFC12, #124FFC

Split complementary#12FC4A, #12C4FC

Tetradic#C4FC12, #12FCBF, #4A12FC

Tints, shades & saturation

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

Lighter +40%#FFDBE5

Lighter +30%#FEA9BF

Lighter +20%#FD779A

Lighter +10%#FD4474

Darker −10%#D8033A

Darker −20%#A6022D

Darker −30%#74011F

Darker −40%#410112

More saturated +25%#FF0F4E

Less saturated −25%#DE305D

Channel breakdown

R252

G18

B79

Red252 (98.8%)

Green18 (7.1%)

Blue79 (31%)

Hue344.36°

Saturation (HSL)97.5%

Lightness52.94%

Dominant channelRed

Hex per channelR FC · G 12 · B 4F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC124F (chemical formula)

Formula
1,527.36 g/mol
126 atoms

FC124F has a molar mass of 1,527.36 g/mol, made up of 126 atoms across 2 elements: 2 × F, 124 × C.

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Molar mass

Molar mass1,527.36 g/mol

Total atoms per molecule126

Distinct elements2

Mass of one molecule2.5362409 × 10^-21 g

Molecules per gram3.942843 × 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

F2.5%

C97.5%

Fluorine (F × 2)37.996 g/mol, 2.488%

Carbon (C × 124)1,489.364 g/mol, 97.512%

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