Recognised as Colour

#FF2C4F

#FF2C4F
Red
Dark
Nearest: Crimson

#FF2C4F is a red with RGB values 255, 44, 79 and HSL 350°, 100%, 59%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF2C4F#FF2C4F

HEX#FF2C4F

RGBrgb(255, 44, 79)

RGB (0–1)1, 0.1725, 0.3098

RGB percentages100%, 17.3%, 31%

HSLhsl(350, 100%, 58.6%)

HSV / HSBhsv(350, 82.7%, 100%)

CMYK0%, 82.7%, 69%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,723,023

CSS custom property--colour: #FF2C4F;

Brightness & contrast

Relative luminance0.23626WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.73:1

Contrast with white3.67:1WCAG normal text: Fail

Contrast with black5.73:1WCAG normal text: AA

Greyscale equivalent#5B5B5B

Inverted#00D3B0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#70694Eno red cones; affects about 1% of men; ΔE 81.1 from the original

Deuteranopia#A49548no green cones; the most common form, about 1% of men; ΔE 81.5 from the original

Tritanopia#FF003Cno blue cones; rare, and affects men and women equally; ΔE 9.9 from the original

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

Contrast with white, large text3.67:1WCAG large text: AA

Contrast with black, large text5.73:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.3 Tomato · ΔE 23 Firebrick · ΔE 26.5 Brown · ΔE 32.5 Red · ΔE 33.1 Salmon · ΔE 33.6

Nearest named CSS colourCrimson (#DC143C)ΔE 10.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2CFFDC

Analogous#FF2CB9, #FF722C

Triadic#4FFF2C, #2C4FFF

Split complementary#2CFF72, #2CB9FF

Tetradic#B9FF2C, #2CFFDC, #722CFF

Tints, shades & saturation

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

Lighter +40%#FFF8F9

Lighter +30%#FFC5CF

Lighter +20%#FF92A4

Lighter +10%#FF5F7A

Darker −10%#F80029

Darker −20%#C50021

Darker −30%#920018

Darker −40%#5F0010

More saturated +25%#FF2C4F

Less saturated −25%#E54661

Channel breakdown

R255

G44

B79

Red255 (100%)

Green44 (17.3%)

Blue79 (31%)

Hue350.05°

Saturation (HSL)100%

Lightness58.63%

Dominant channelRed

Hex per channelR FF · G 2C · B 4F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF2C4F (chemical formula)

Formula
124.036 g/mol
8 atoms

FF2C4F has a molar mass of 124.036 g/mol, made up of 8 atoms across 2 elements: 4 × F, 4 × C.

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Molar mass

Molar mass124.036 g/mol

Total atoms per molecule8

Distinct elements2

Mass of one molecule2.0596662 × 10^-22 g

Molecules per gram4.8551556 × 10^21

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

F61.3%

C38.7%

Fluorine (F × 4)75.992 g/mol, 61.266%

Carbon (C × 4)48.044 g/mol, 38.734%

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Elements in this formula

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