Recognised as Colour

#F36452

#F36452
Red
Dark
Nearest: Tomato

#F36452 is a red with RGB values 243, 100, 82 and HSL 7°, 87%, 64%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#F36452#F36452

HEX#F36452

RGBrgb(243, 100, 82)

RGB (0–1)0.9529, 0.3922, 0.3216

RGB percentages95.3%, 39.2%, 32.2%

HSLhsl(6.7, 87%, 63.7%)

HSV / HSBhsv(6.7, 66.3%, 95.3%)

CMYK0%, 58.8%, 66.3%, 4.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,950,930

CSS custom property--colour: #F36452;

Brightness & contrast

Relative luminance0.28778WCAG 2.x, 0 is black and 1 is white

Perceived brightness155.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.76:1

Contrast with white3.11:1WCAG normal text: Fail

Contrast with black6.76:1WCAG normal text: AA

Greyscale equivalent#818181

Inverted#0C9BAD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8A7F4Fno red cones; affects about 1% of men; ΔE 58.4 from the original

Deuteranopia#AD9E4Eno green cones; the most common form, about 1% of men; ΔE 59.2 from the original

Tritanopia#FF4660no blue cones; rare, and affects men and women equally; ΔE 19.3 from the original

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

Contrast with white, large text3.11:1WCAG large text: AA

Contrast with black, large text6.76:1WCAG large text: AAA

Named colours

Tomato · ΔE 9.3 Salmon · ΔE 14.2 Coral · ΔE 14.3 Indian red · ΔE 19.7 Firebrick · ΔE 21.6 Crimson · ΔE 22.3

Nearest named CSS colourTomato (#FF6347)ΔE 9.33, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#52E1F3

Analogous#F35291, #F3B452

Triadic#52F364, #6452F3

Split complementary#52F3B4, #5291F3

Tetradic#91F352, #52E1F3, #B452F3

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FDE4E1

Lighter +20%#FAB9B1

Lighter +10%#F68F82

Darker −10%#F03922

Darker −20%#D1240E

Darker −30%#A11C0B

Darker −40%#711408

More saturated +25%#FF5B46

Less saturated −25%#DC7669

Channel breakdown

R243

G100

B82

Red243 (95.3%)

Green100 (39.2%)

Blue82 (32.2%)

Hue6.71°

Saturation (HSL)87.03%

Lightness63.73%

Dominant channelRed

Hex per channelR F3 · G 64 · B 52

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F36452 (chemical formula)

Formula
692,515.096 g/mol
36452 atoms

F36452 has a molar mass of 692,515.096 g/mol, made up of 36452 atoms across 1 element: 36452 × F.

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Molar mass

Molar mass692,515.096 g/mol

Total atoms per molecule36452

Distinct elements1

Mass of one molecule1.1499484 × 10^-18 g

Molecules per gram8.6960426 × 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 × 36452)692,515.096 g/mol, 100%

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Elements in this formula

Fluorine

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