Recognised as Colour

#F80055

#F80055
Red
Dark
Nearest: Crimson

#F80055 is a red with RGB values 248, 0, 85 and HSL 339°, 100%, 49%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F80055#F80055

HEX#F80055

RGBrgb(248, 0, 85)

RGB (0–1)0.9725, 0, 0.3333

RGB percentages97.3%, 0%, 33.3%

HSLhsl(339.4, 100%, 48.6%)

HSV / HSBhsv(339.4, 100%, 97.3%)

CMYK0%, 100%, 65.7%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,253,013

CSS custom property--colour: #F80055;

Brightness & contrast

Relative luminance0.20612WCAG 2.x, 0 is black and 1 is white

Perceived brightness138.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.12:1

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

Contrast with black5.12:1WCAG normal text: AA

Greyscale equivalent#3B3B3B

Inverted#07FFAA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#636055no red cones; affects about 1% of men; ΔE 84.6 from the original

Deuteranopia#9A8D4Eno green cones; the most common form, about 1% of men; ΔE 85.1 from the original

Tritanopia#FF0032no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original

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

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

Contrast with black, large text5.12:1WCAG large text: AAA

Named colours

Crimson · ΔE 13 Firebrick · ΔE 30 Tomato · ΔE 31.6 Deep pink · ΔE 32.7 Brown · ΔE 34.4 Indian red · ΔE 35.9

Nearest named CSS colourCrimson (#DC143C)ΔE 13.02, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F8A3

Analogous#F800D1, #F82700

Triadic#55F800, #0055F8

Split complementary#00F827, #00D1F8

Tetradic#D1F800, #00F8A3, #2700F8

Tints, shades & saturation

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

Lighter +40%#FFC5D9

Lighter +30%#FF92B7

Lighter +20%#FF5F96

Lighter +10%#FF2C74

Darker −10%#C50044

Darker −20%#920032

Darker −30%#5F0021

Darker −40%#2C000F

More saturated +25%#F80055

Less saturated −25%#D91F5F

Channel breakdown

R248

B85

Red248 (97.3%)

Green0 (0%)

Blue85 (33.3%)

Hue339.44°

Saturation (HSL)100%

Lightness48.63%

Dominant channelRed

Hex per channelR F8 · G 00 · B 55

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F80055 (chemical formula)

Formula
1,520,884.89 g/mol
80055 atoms

F80055 has a molar mass of 1,520,884.89 g/mol, made up of 80055 atoms across 1 element: 80055 × F.

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Molar mass

Molar mass1,520,884.89 g/mol

Total atoms per molecule80055

Distinct elements1

Mass of one molecule2.5254888 × 10^-18 g

Molecules per gram3.9596296 × 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 × 80055)1,520,884.89 g/mol, 100%

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Elements in this formula

Fluorine

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