Recognised as Colour

#F74554

#F74554
Red
Dark
Nearest: Crimson

#F74554 is a red with RGB values 247, 69, 84 and HSL 355°, 92%, 62%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F74554#F74554

HEX#F74554

RGBrgb(247, 69, 84)

RGB (0–1)0.9686, 0.2706, 0.3294

RGB percentages96.9%, 27.1%, 32.9%

HSLhsl(354.9, 91.8%, 62%)

HSV / HSBhsv(354.9, 72.1%, 96.9%)

CMYK0%, 72.1%, 66%, 3.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,205,140

CSS custom property--colour: #F74554;

Brightness & contrast

Relative luminance0.2467WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.93:1

Contrast with white3.54:1WCAG normal text: Fail

Contrast with black5.93:1WCAG normal text: AA

Greyscale equivalent#6C6C6C

Inverted#08BAAB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#777053no red cones; affects about 1% of men; ΔE 72 from the original

Deuteranopia#A4964Fno green cones; the most common form, about 1% of men; ΔE 72.5 from the original

Tritanopia#FF004Cno blue cones; rare, and affects men and women equally; ΔE 14.5 from the original

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

Contrast with white, large text3.54:1WCAG large text: AA

Contrast with black, large text5.93:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.4 Tomato · ΔE 17.8 Firebrick · ΔE 21.7 Salmon · ΔE 24.9 Indian red · ΔE 25.2 Brown · ΔE 26.3

Nearest named CSS colourCrimson (#DC143C)ΔE 10.37, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#45F7E8

Analogous#F745AD, #F78F45

Triadic#54F745, #4554F7

Split complementary#45F78F, #45ADF7

Tetradic#ADF745, #45F7E8, #8F45F7

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FDD8DB

Lighter +20%#FBA7AE

Lighter +10%#F97681

Darker −10%#F51427

Darker −20%#CD0919

Darker −30%#9C0713

Darker −40%#6B050D

More saturated +25%#FF3D4D

Less saturated −25%#DF5D68

Channel breakdown

R247

G69

B84

Red247 (96.9%)

Green69 (27.1%)

Blue84 (32.9%)

Hue354.94°

Saturation (HSL)91.75%

Lightness61.96%

Dominant channelRed

Hex per channelR F7 · G 45 · B 54

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F74554 (chemical formula)

Formula
1,416,376.892 g/mol
74554 atoms

F74554 has a molar mass of 1,416,376.892 g/mol, made up of 74554 atoms across 1 element: 74554 × F.

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Molar mass

Molar mass1,416,376.892 g/mol

Total atoms per molecule74554

Distinct elements1

Mass of one molecule2.3519492 × 10^-18 g

Molecules per gram4.2517926 × 10^17

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 × 74554)1,416,376.892 g/mol, 100%

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Elements in this formula

Fluorine

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