Recognised as Colour

#FF3449

#FF3449
Red
Dark
Nearest: Crimson

#FF3449 is a red with RGB values 255, 52, 73 and HSL 354°, 100%, 60%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF3449#FF3449

HEX#FF3449

RGBrgb(255, 52, 73)

RGB (0–1)1, 0.2039, 0.2863

RGB percentages100%, 20.4%, 28.6%

HSLhsl(353.8, 100%, 60.2%)

HSV / HSBhsv(353.8, 79.6%, 100%)

CMYK0%, 79.6%, 71.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,725,065

CSS custom property--colour: #FF3449;

Brightness & contrast

Relative luminance0.24197WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.84:1

Contrast with white3.6:1WCAG normal text: Fail

Contrast with black5.84:1WCAG normal text: AA

Greyscale equivalent#616161

Inverted#00CBB6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#746B48no red cones; affects about 1% of men; ΔE 79.2 from the original

Deuteranopia#A69642no green cones; the most common form, about 1% of men; ΔE 79.5 from the original

Tritanopia#FF003Eno blue cones; rare, and affects men and women equally; ΔE 8.1 from the original

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

Contrast with white, large text3.6:1WCAG large text: AA

Contrast with black, large text5.84:1WCAG large text: AAA

Named colours

Crimson · ΔE 11 Tomato · ΔE 19.1 Firebrick · ΔE 25.1 Red · ΔE 29.4 Orange red · ΔE 31.1 Brown · ΔE 31.9

Nearest named CSS colourCrimson (#DC143C)ΔE 11.02, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#34FFEA

Analogous#FF34AF, #FF8534

Triadic#49FF34, #3449FF

Split complementary#34FF84, #34AFFF

Tetradic#AEFF34, #34FFEA, #8434FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFCDD2

Lighter +20%#FF9AA4

Lighter +10%#FF6777

Darker −10%#FF011B

Darker −20%#CD0015

Darker −30%#9A0010

Darker −40%#67000B

More saturated +25%#FF3449

Less saturated −25%#E64D5D

Channel breakdown

R255

G52

B73

Red255 (100%)

Green52 (20.4%)

Blue73 (28.6%)

Hue353.79°

Saturation (HSL)100%

Lightness60.2%

Dominant channelRed

Hex per channelR FF · G 34 · B 49

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF3449 (chemical formula)

Formula
65,543.1 g/mol
3450 atoms

FF3449 has a molar mass of 65,543.1 g/mol, made up of 3450 atoms across 1 element: 3450 × F.

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Molar mass

Molar mass65,543.1 g/mol

Total atoms per molecule3450

Distinct elements1

Mass of one molecule1.0883688 × 10^-19 g

Molecules per gram9.1880621 × 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

F100%

Fluorine (F × 3450)65,543.1 g/mol, 100%

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Elements in this formula

Fluorine

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