Recognised as Colour

#FF5773

#FF5773
Red
Dark
Nearest: Crimson

#FF5773 is a red with RGB values 255, 87, 115 and HSL 350°, 100%, 67%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF5773#FF5773

HEX#FF5773

RGBrgb(255, 87, 115)

RGB (0–1)1, 0.3412, 0.451

RGB percentages100%, 34.1%, 45.1%

HSLhsl(350, 100%, 67.1%)

HSV / HSBhsv(350, 65.9%, 100%)

CMYK0%, 65.9%, 54.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,734,067

CSS custom property--colour: #FF5773;

Brightness & contrast

Relative luminance0.29314WCAG 2.x, 0 is black and 1 is white

Perceived brightness159.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.86:1

Contrast with white3.06:1WCAG normal text: Fail

Contrast with black6.86:1WCAG normal text: AA

Greyscale equivalent#7D7D7D

Inverted#00A88C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#807D73no red cones; affects about 1% of men; ΔE 68.2 from the original

Deuteranopia#ACA06Fno green cones; the most common form, about 1% of men; ΔE 68.9 from the original

Tritanopia#FF3562no blue cones; rare, and affects men and women equally; ΔE 11.6 from the original

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

Contrast with white, large text3.06:1WCAG large text: AA

Contrast with black, large text6.86:1WCAG large text: AAA

Named colours

Crimson · ΔE 20.1 Indian red · ΔE 21.9 Salmon · ΔE 22.7 Light coral · ΔE 23.1 Tomato · ΔE 27.1 Pale violetred · ΔE 28.1

Nearest named CSS colourCrimson (#DC143C)ΔE 20.06, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#57FFE3

Analogous#FF57C7, #FF8F57

Triadic#73FF57, #5773FF

Split complementary#57FF8F, #57C7FF

Tetradic#C7FF57, #57FFE3, #8F57FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFF0F3

Lighter +20%#FFBDC8

Lighter +10%#FF8A9E

Darker −10%#FF2449

Darker −20%#F00028

Darker −30%#BD0020

Darker −40%#8A0017

More saturated +25%#FF5773

Less saturated −25%#EA6C81

Channel breakdown

R255

G87

B115

Red255 (100%)

Green87 (34.1%)

Blue115 (45.1%)

Hue350°

Saturation (HSL)100%

Lightness67.06%

Dominant channelRed

Hex per channelR FF · G 57 · B 73

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF5773 (chemical formula)

Formula
109,694.452 g/mol
5774 atoms

FF5773 has a molar mass of 109,694.452 g/mol, made up of 5774 atoms across 1 element: 5774 × F.

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Molar mass

Molar mass109,694.452 g/mol

Total atoms per molecule5774

Distinct elements1

Mass of one molecule1.8215192 × 10^-19 g

Molecules per gram5.4899228 × 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 × 5774)109,694.452 g/mol, 100%

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Elements in this formula

Fluorine

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