Recognised as Colour

#F12036

#F12036
Red
Dark
Nearest: Crimson

#F12036 is a red with RGB values 241, 32, 54 and HSL 354°, 88%, 54%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F12036#F12036

HEX#F12036

RGBrgb(241, 32, 54)

RGB (0–1)0.9451, 0.1255, 0.2118

RGB percentages94.5%, 12.5%, 21.2%

HSLhsl(353.7, 88.2%, 53.5%)

HSV / HSBhsv(353.7, 86.7%, 94.5%)

CMYK0%, 86.7%, 77.6%, 5.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,802,422

CSS custom property--colour: #F12036;

Brightness & contrast

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

Perceived brightness135.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5:1

Contrast with white4.2:1WCAG normal text: Fail

Contrast with black5:1WCAG normal text: AA

Greyscale equivalent#4E4E4E

Inverted#0EDFC9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#696034no red cones; affects about 1% of men; ΔE 80 from the original

Deuteranopia#9B8B2Dno green cones; the most common form, about 1% of men; ΔE 79.6 from the original

Tritanopia#FF002Cno blue cones; rare, and affects men and women equally; ΔE 10.3 from the original

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

Contrast with white, large text4.2:1WCAG large text: AA

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

Named colours

Crimson · ΔE 11.6 Tomato · ΔE 19.5 Firebrick · ΔE 23 Red · ΔE 24.4 Orange red · ΔE 26.8 Brown · ΔE 31.2

Nearest named CSS colourCrimson (#DC143C)ΔE 11.55, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#20F1DB

Analogous#F1209E, #F17220

Triadic#36F120, #2036F1

Split complementary#20F172, #209EF1

Tetradic#9FF120, #20F1DB, #7320F1

Tints, shades & saturation

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

Lighter +40%#FDE0E3

Lighter +30%#FAB0B8

Lighter +20%#F7808D

Lighter +10%#F45061

Darker −10%#D10D22

Darker −20%#A10A1A

Darker −30%#710712

Darker −40%#41040A

More saturated +25%#FF122B

Less saturated −25%#D33E4D

Channel breakdown

R241

G32

B54

Red241 (94.5%)

Green32 (12.5%)

Blue54 (21.2%)

Hue353.68°

Saturation (HSL)88.19%

Lightness53.53%

Dominant channelRed

Hex per channelR F1 · G 20 · B 36

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F12036 (chemical formula)

Formula
228,659.928 g/mol
12036 atoms

F12036 has a molar mass of 228,659.928 g/mol, made up of 12036 atoms across 1 element: 12036 × F.

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Molar mass

Molar mass228,659.928 g/mol

Total atoms per molecule12036

Distinct elements1

Mass of one molecule3.7969874 × 10^-19 g

Molecules per gram2.6336669 × 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 × 12036)228,659.928 g/mol, 100%

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Elements in this formula

Fluorine

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