Recognised as Colour

#FF1320

#FF1320
Red
Dark
Nearest: Red

#FF1320 is a red with RGB values 255, 19, 32 and HSL 357°, 100%, 54%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF1320#FF1320

HEX#FF1320

RGBrgb(255, 19, 32)

RGB (0–1)1, 0.0745, 0.1255

RGB percentages100%, 7.5%, 12.5%

HSLhsl(356.7, 100%, 53.7%)

HSV / HSBhsv(356.7, 92.5%, 100%)

CMYK0%, 92.5%, 87.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,716,576

CSS custom property--colour: #FF1320;

Brightness & contrast

Relative luminance0.2183WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.37:1

Contrast with white3.91:1WCAG normal text: Fail

Contrast with black5.37:1WCAG normal text: AA

Greyscale equivalent#464646

Inverted#00ECDF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E621Bno red cones; affects about 1% of men; ΔE 85.6 from the original

Deuteranopia#A49108no green cones; the most common form, about 1% of men; ΔE 84.7 from the original

Tritanopia#FF001Fno blue cones; rare, and affects men and women equally; ΔE 1.5 from the original

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

Contrast with white, large text3.91:1WCAG large text: AA

Contrast with black, large text5.37:1WCAG large text: AAA

Named colours

Red · ΔE 9.7 Orange red · ΔE 16.4 Tomato · ΔE 25.3 Crimson · ΔE 26.2 Firebrick · ΔE 33.8 Coral · ΔE 37.6

Nearest named CSS colourRed (#FF0000)ΔE 9.73, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#13FFF2

Analogous#FF1396, #FF7C13

Triadic#20FF13, #1320FF

Split complementary#13FF7C, #1396FF

Tetradic#96FF13, #13FFF2, #7C13FF

Tints, shades & saturation

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

Lighter +40%#FFDFE1

Lighter +30%#FFACB1

Lighter +20%#FF7980

Lighter +10%#FF4650

Darker −10%#DF000C

Darker −20%#AC0009

Darker −30%#790007

Darker −40%#460004

More saturated +25%#FF1320

Less saturated −25%#E2313A

Channel breakdown

R255

G19

B32

Red255 (100%)

Green19 (7.5%)

Blue32 (12.5%)

Hue356.69°

Saturation (HSL)100%

Lightness53.73%

Dominant channelRed

Hex per channelR FF · G 13 · B 20

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF1320 (chemical formula)

Formula
25,096.358 g/mol
1321 atoms

FF1320 has a molar mass of 25,096.358 g/mol, made up of 1321 atoms across 1 element: 1321 × F.

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Molar mass

Molar mass25,096.358 g/mol

Total atoms per molecule1321

Distinct elements1

Mass of one molecule4.1673483 × 10^-20 g

Molecules per gram2.3996074 × 10^19

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 × 1321)25,096.358 g/mol, 100%

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Elements in this formula

Fluorine

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