Recognised as Colour

#F50053

#F50053
Red
Dark
Nearest: Crimson

#F50053 is a red with RGB values 245, 0, 83 and HSL 340°, 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

#F50053#F50053

HEX#F50053

RGBrgb(245, 0, 83)

RGB (0–1)0.9608, 0, 0.3255

RGB percentages96.1%, 0%, 32.5%

HSLhsl(339.7, 100%, 48%)

HSV / HSBhsv(339.7, 100%, 96.1%)

CMYK0%, 100%, 66.1%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,056,403

CSS custom property--colour: #F50053;

Brightness & contrast

Relative luminance0.20037WCAG 2.x, 0 is black and 1 is white

Perceived brightness136.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.01:1

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

Contrast with black5.01:1WCAG normal text: AA

Greyscale equivalent#3A3A3A

Inverted#0AFFAC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#625E53no red cones; affects about 1% of men; ΔE 83.5 from the original

Deuteranopia#988B4Cno green cones; the most common form, about 1% of men; ΔE 84.2 from the original

Tritanopia#FF0031no blue cones; rare, and affects men and women equally; ΔE 22.1 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 text5.01:1WCAG large text: AAA

Named colours

Crimson · ΔE 12 Firebrick · ΔE 29 Tomato · ΔE 31 Deep pink · ΔE 33.2 Brown · ΔE 33.4 Indian red · ΔE 35.2

Nearest named CSS colourCrimson (#DC143C)ΔE 12.04, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F5A2

Analogous#F500CD, #F52800

Triadic#53F500, #0053F5

Split complementary#00F528, #00CDF5

Tetradic#CDF500, #00F5A2, #2800F5

Tints, shades & saturation

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

Lighter +40%#FFC2D7

Lighter +30%#FF8FB5

Lighter +20%#FF5C93

Lighter +10%#FF2971

Darker −10%#C20042

Darker −20%#8F0030

Darker −30%#5C001F

Darker −40%#29000E

More saturated +25%#F50053

Less saturated −25%#D61F5D

Channel breakdown

R245

B83

Red245 (96.1%)

Green0 (0%)

Blue83 (32.5%)

Hue339.67°

Saturation (HSL)100%

Lightness48.04%

Dominant channelRed

Hex per channelR F5 · G 00 · B 53

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F50053 (chemical formula)

Formula
950,906.894 g/mol
50053 atoms

F50053 has a molar mass of 950,906.894 g/mol, made up of 50053 atoms across 1 element: 50053 × F.

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Molar mass

Molar mass950,906.894 g/mol

Total atoms per molecule50053

Distinct elements1

Mass of one molecule1.579018 × 10^-18 g

Molecules per gram6.3330498 × 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 × 50053)950,906.894 g/mol, 100%

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Elements in this formula

Fluorine

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