Recognised as Colour

#F84C40

#F84C40
Red
Dark
Nearest: Tomato

#F84C40 is a red with RGB values 248, 76, 64 and HSL 4°, 93%, 61%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#F84C40#F84C40

HEX#F84C40

RGBrgb(248, 76, 64)

RGB (0–1)0.9725, 0.298, 0.251

RGB percentages97.3%, 29.8%, 25.1%

HSLhsl(3.9, 92.9%, 61.2%)

HSV / HSBhsv(3.9, 74.2%, 97.3%)

CMYK0%, 69.4%, 74.2%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,272,448

CSS custom property--colour: #F84C40;

Brightness & contrast

Relative luminance0.25496WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.1:1

Contrast with white3.44:1WCAG normal text: Fail

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

Greyscale equivalent#707070

Inverted#07B3BF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7E723Dno red cones; affects about 1% of men; ΔE 69.5 from the original

Deuteranopia#A9983Ano green cones; the most common form, about 1% of men; ΔE 69.9 from the original

Tritanopia#FF044Bno blue cones; rare, and affects men and women equally; ΔE 20 from the original

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

Contrast with white, large text3.44:1WCAG large text: AA

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

Named colours

Tomato · ΔE 8.3 Crimson · ΔE 16.6 Firebrick · ΔE 21.5 Coral · ΔE 21.6 Orange red · ΔE 24.5 Salmon · ΔE 26.6

Nearest named CSS colourTomato (#FF6347)ΔE 8.25, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#40ECF8

Analogous#F84090, #F8A840

Triadic#40F84C, #4C40F8

Split complementary#40F8A8, #4090F8

Tetradic#90F840, #40ECF8, #A840F8

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FDD6D4

Lighter +20%#FCA8A2

Lighter +10%#FA7A71

Darker −10%#F61E0F

Darker −20%#CB1407

Darker −30%#990F06

Darker −40%#680A04

More saturated +25%#FF4639

Less saturated −25%#DF6259

Channel breakdown

R248

G76

B64

Red248 (97.3%)

Green76 (29.8%)

Blue64 (25.1%)

Hue3.91°

Saturation (HSL)92.93%

Lightness61.18%

Dominant channelRed

Hex per channelR F8 · G 4C · B 40

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F84C40 (chemical formula)

Formula
2,076.272 g/mol
124 atoms

F84C40 has a molar mass of 2,076.272 g/mol, made up of 124 atoms across 2 elements: 84 × F, 40 × C.

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Molar mass

Molar mass2,076.272 g/mol

Total atoms per molecule124

Distinct elements2

Mass of one molecule3.4477308 × 10^-21 g

Molecules per gram2.9004585 × 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

F76.9%

C23.1%

Fluorine (F × 84)1,595.832 g/mol, 76.86%

Carbon (C × 40)480.44 g/mol, 23.14%

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