Recognised as Colour

#F50056

#F50056
Red
Dark
Nearest: Crimson

#F50056 is a red with RGB values 245, 0, 86 and HSL 339°, 100%, 48%. 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

#F50056#F50056

HEX#F50056

RGBrgb(245, 0, 86)

RGB (0–1)0.9608, 0, 0.3373

RGB percentages96.1%, 0%, 33.7%

HSLhsl(338.9, 100%, 48%)

HSV / HSBhsv(338.9, 100%, 96.1%)

CMYK0%, 100%, 64.9%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,056,406

CSS custom property--colour: #F50056;

Brightness & contrast

Relative luminance0.20084WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.02:1

Contrast with white4.19:1WCAG normal text: Fail

Contrast with black5.02:1WCAG normal text: AA

Greyscale equivalent#3A3A3A

Inverted#0AFFA9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#615F57no red cones; affects about 1% of men; ΔE 83.9 from the original

Deuteranopia#988B50no green cones; the most common form, about 1% of men; ΔE 84 from the original

Tritanopia#FF0033no blue cones; rare, and affects men and women equally; ΔE 22.8 from the original

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

Contrast with white, large text4.19:1WCAG large text: AA

Contrast with black, large text5.02:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.2 Firebrick · ΔE 29.9 Deep pink · ΔE 31.4 Tomato · ΔE 32.3 Brown · ΔE 33.8 Indian red · ΔE 35.1

Nearest named CSS colourCrimson (#DC143C)ΔE 13.22, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F59F

Analogous#F500D0, #F52500

Triadic#56F500, #0056F5

Split complementary#00F525, #00D0F5

Tetradic#D0F500, #00F59F, #2500F5

Tints, shades & saturation

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

Lighter +40%#FFC2D7

Lighter +30%#FF8FB6

Lighter +20%#FF5C95

Lighter +10%#FF2974

Darker −10%#C20044

Darker −20%#8F0032

Darker −30%#5C0020

Darker −40%#29000E

More saturated +25%#F50056

Less saturated −25%#D61F5F

Channel breakdown

R245

B86

Red245 (96.1%)

Green0 (0%)

Blue86 (33.7%)

Hue338.94°

Saturation (HSL)100%

Lightness48.04%

Dominant channelRed

Hex per channelR F5 · G 00 · B 56

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F50056 (chemical formula)

Formula
950,963.888 g/mol
50056 atoms

F50056 has a molar mass of 950,963.888 g/mol, made up of 50056 atoms across 1 element: 50056 × F.

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Molar mass

Molar mass950,963.888 g/mol

Total atoms per molecule50056

Distinct elements1

Mass of one molecule1.5791127 × 10^-18 g

Molecules per gram6.3326703 × 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 × 50056)950,963.888 g/mol, 100%

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Elements in this formula

Fluorine

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